Finding the Fourth Proportional to 534,861,951.40, 802,292,927.10 and 487,244,837.80
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Solution
The fourth proportional to 534,861,951.40, 802,292,927.10 and 487,244,837.80 is: 730,867,256.70
Step by Step Solution
- Step 1: Write the proportion equation
534,861,951.40 : 802,292,927.10 = 487,244,837.80 : x - Step 2: Convert to fraction form
534,861,951.40/802,292,927.10 = 487,244,837.80/x - Step 3: Cross multiply
534,861,951.40x = 802,292,927.10 × 487,244,837.80 - Step 4: Simplify right side
534,861,951.40x = 390,913,087,132,926,720 - Step 5: Solve for x
x = 390,913,087,132,926,720/534,861,951.40 - Step 6: Final answer
x = 730,867,256.70
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1.5x scale
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.