设三球的半径分别为r1、r2、r3
由题意可得:S1:S2:S3=r1^2:r2^2:r3^2=1:2:3
R1=(1/根号2)*R2 、R3=(根号3/根号2)*R2
因为V1:V2:V3=R1^3:R2^3:R3^3=1:2*根号2:3*根号3