Finding the Fourth Proportional to 3,613,537,591.20, 5,420,565,463.68 and 1,512,900,121.68
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Solution
The fourth proportional to 3,613,537,591.20, 5,420,565,463.68 and 1,512,900,121.68 is: 2,269,458,651.70
Step by Step Solution
- Step 1: Write the proportion equation
3,613,537,591.20 : 5,420,565,463.68 = 1,512,900,121.68 : x - Step 2: Convert to fraction form
3,613,537,591.20/5,420,565,463.68 = 1,512,900,121.68/x - Step 3: Cross multiply
3,613,537,591.20x = 5,420,565,463.68 × 1,512,900,121.68 - Step 4: Simplify right side
3,613,537,591.20x = 8,200,774,149,575,878,656 - Step 5: Solve for x
x = 8,200,774,149,575,878,656/3,613,537,591.20 - Step 6: Final answer
x = 2,269,458,651.70
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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.