math help

Job ID: 31911787

Budget: $10 – $30 CAD

how to i get y from x

x y
example 1
5060609798=99995617730000000000 872
example 2
5255023474=99995617850000000000 872
example 3
5007785487=99995614100000000000 639
example 4
5018432046=99995614270000000000 684
example 5
5019689115=99995610590000000000 512
example 6
5020603774=99995617800000000000 185