Finding the Fourth Proportional to 398,613,255.80, 597,919,883.70 and 183,622,407.80
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Solution
The fourth proportional to 398,613,255.80, 597,919,883.70 and 183,622,407.80 is: 275,433,611.70
Step by Step Solution
- Step 1: Write the proportion equation
398,613,255.80 : 597,919,883.70 = 183,622,407.80 : x - Step 2: Convert to fraction form
398,613,255.80/597,919,883.70 = 183,622,407.80/x - Step 3: Cross multiply
398,613,255.80x = 597,919,883.70 × 183,622,407.80 - Step 4: Simplify right side
398,613,255.80x = 109,791,488,716,489,984 - Step 5: Solve for x
x = 109,791,488,716,489,984/398,613,255.80 - Step 6: Final answer
x = 275,433,611.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.