[3²⁰¹⁰(3²+3)] / [3²⁰¹⁰(3+1)] = (3²+3)/(3+1) = 12/4 = 3 Proportia data devine:
3 = (52/3 - 1) / 4x
12x = 52/3 - 3/3
36x = 49
x = 49/36
