Finding the Fourth Proportional to 597,926,191.20, 896,889,286.80 and 537,660,781.80
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Solution
The fourth proportional to 597,926,191.20, 896,889,286.80 and 537,660,781.80 is: 806,491,172.70
Step by Step Solution
- Step 1: Write the proportion equation
597,926,191.20 : 896,889,286.80 = 537,660,781.80 : x - Step 2: Convert to fraction form
597,926,191.20/896,889,286.80 = 537,660,781.80/x - Step 3: Cross multiply
597,926,191.20x = 896,889,286.80 × 537,660,781.80 - Step 4: Simplify right side
597,926,191.20x = 482,222,195,128,932,352 - Step 5: Solve for x
x = 482,222,195,128,932,352/597,926,191.20 - Step 6: Final answer
x = 806,491,172.70
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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.