Finding the Fourth Proportional to 376,656,306.20, 564,984,459.30 and 194,959,179.80
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Solution
The fourth proportional to 376,656,306.20, 564,984,459.30 and 194,959,179.80 is: 292,438,769.70
Step by Step Solution
- Step 1: Write the proportion equation
376,656,306.20 : 564,984,459.30 = 194,959,179.80 : x - Step 2: Convert to fraction form
376,656,306.20/564,984,459.30 = 194,959,179.80/x - Step 3: Cross multiply
376,656,306.20x = 564,984,459.30 × 194,959,179.80 - Step 4: Simplify right side
376,656,306.20x = 110,148,906,784,874,480 - Step 5: Solve for x
x = 110,148,906,784,874,480/376,656,306.20 - Step 6: Final answer
x = 292,438,769.70
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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.