Finding the Fourth Proportional to 487,060,319.11, 730,712,294.59 and 142,013,946.09
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Solution
The fourth proportional to 487,060,319.11, 730,712,294.59 and 142,013,946.09 is: 213,056,437.45
Step by Step Solution
- Step 1: Write the proportion equation
487,060,319.11 : 730,712,294.59 = 142,013,946.09 : x - Step 2: Convert to fraction form
487,060,319.11/730,712,294.59 = 142,013,946.09/x - Step 3: Cross multiply
487,060,319.11x = 730,712,294.59 × 142,013,946.09 - Step 4: Simplify right side
487,060,319.11x = 103,771,336,413,853,744 - Step 5: Solve for x
x = 103,771,336,413,853,744/487,060,319.11 - Step 6: Final answer
x = 213,056,437.45
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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.