Finding the Fourth Proportional to 602,445,503.20, 903,668,254.80 and 576,936,335.20
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Solution
The fourth proportional to 602,445,503.20, 903,668,254.80 and 576,936,335.20 is: 865,404,502.80
Step by Step Solution
- Step 1: Write the proportion equation
602,445,503.20 : 903,668,254.80 = 576,936,335.20 : x - Step 2: Convert to fraction form
602,445,503.20/903,668,254.80 = 576,936,335.20/x - Step 3: Cross multiply
602,445,503.20x = 903,668,254.80 × 576,936,335.20 - Step 4: Simplify right side
602,445,503.20x = 521,359,051,160,891,840 - Step 5: Solve for x
x = 521,359,051,160,891,840/602,445,503.20 - Step 6: Final answer
x = 865,404,502.80
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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.