Finding the Fourth Proportional to 488,336,129.80, 732,504,194.70 and 165,220,001.80
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Solution
The fourth proportional to 488,336,129.80, 732,504,194.70 and 165,220,001.80 is: 247,830,002.70
Step by Step Solution
- Step 1: Write the proportion equation
488,336,129.80 : 732,504,194.70 = 165,220,001.80 : x - Step 2: Convert to fraction form
488,336,129.80/732,504,194.70 = 165,220,001.80/x - Step 3: Cross multiply
488,336,129.80x = 732,504,194.70 × 165,220,001.80 - Step 4: Simplify right side
488,336,129.80x = 121,024,344,366,841,568 - Step 5: Solve for x
x = 121,024,344,366,841,568/488,336,129.80 - Step 6: Final answer
x = 247,830,002.70
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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.