a/b = b/c = c/d = k. Then b=ck, a=bk=ck². a/d = (a/b)*(b/c)*(c/d) = (a/b)³.
a/b = b/c = c/d = k। फिर b=ck, a=bk=ck²। a/d = (a/b)*(b/c)*(c/d) = (a/b)³।