Finding the Fourth Proportional to 572,517,235.28, 857,981,337.48 and 260,863,209.92
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Solution
The fourth proportional to 572,517,235.28, 857,981,337.48 and 260,863,209.92 is: 390,932,799.84
Step by Step Solution
- Step 1: Write the proportion equation
572,517,235.28 : 857,981,337.48 = 260,863,209.92 : x - Step 2: Convert to fraction form
572,517,235.28/857,981,337.48 = 260,863,209.92/x - Step 3: Cross multiply
572,517,235.28x = 857,981,337.48 × 260,863,209.92 - Step 4: Simplify right side
572,517,235.28x = 223,815,765,746,487,584 - Step 5: Solve for x
x = 223,815,765,746,487,584/572,517,235.28 - Step 6: Final answer
x = 390,932,799.84
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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.