How can my language talent improve my acceptance rates?

I have a passion for languages. Learning a foreign language opens the doors to another culture and the new way to perceive world.
My native language is Lithuanian, I am fluent in English, proficient in French, Italian and Spanish, understand Japanese (but can’t speak well) and can lead a basic conversation in Russian and German as well as Filipino.

I would like to study in USA as an international student. How can I use this passion of mine to improve my acceptance chance? Should I take the tests in order to prove my proficiency? It seems quite silly to take, for example, SAT of so many languages. Any ideas of how can I take advantage of my love for languages? Every suggestion is welcome. Thank you!

Write a good essay about it.

Also, you need to demonstrate your proficiency on record such as subject test score of placement result.

Why does it seem silly? Have you studied them all in school and have grades and teacher LORs for those languages to support your application? I have a dd who loves languages, and yes, they did help her application. But the tutor for one wrote a LOR discussing the fact that dd is fluent. Another tutor for another language wrote about she is one of the best students she has ever had. Dd had numerous awards for 2 languages (including international awards) plus a subject test score fora third.

If you have grades and LOR, then the tests for all of them are less necessary. If you self-studied then test scores to affirm Spanish, French, Italian, Japanese, and German are more likely to be needed for support, especially if you are claiming proficiency in the language. Those scores will make them more likely to accept the Russian and Filipino based just on your description.

This site will help you understand US terminology in terms of language skills: https://www.actfl.org/publications/guidelines-and-manuals/actfl-proficiency-guidelines-2012

Thank you