Применим правило умножения крест накрест:
x : 1/3 = 3/4 : 1/27;
x * 1/27 = 3/4 * 1/3;
x * 1/27 = 1/4;
x = 1/4 : 1/27;
x = 1/4 * 27/1;
x = 27/4;
x = 6 3/4.
Применим правило умножения крест накрест:
x : 1/3 = 3/4 : 1/27;
x * 1/27 = 3/4 * 1/3;
x * 1/27 = 1/4;
x = 1/4 : 1/27;
x = 1/4 * 27/1;
x = 27/4;
x = 6 3/4.