ratio language is to describe the relationship between two quantities
the square root of 4 is 2
2^63 = 9223372036854775808
Just cross multiply
3*12=36
8*5=4
36/4
simplified to 9
3/8*12/5=36/4=9
square can be a perfect square like 4 is a perfect square because 2 multiplied by itself is 2.Do you get it.
TYSM!!!!!!!!