Finding the Fourth Proportional to 376,656,287.20, 564,984,430.80 and 194,959,160.80
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Solution
The fourth proportional to 376,656,287.20, 564,984,430.80 and 194,959,160.80 is: 292,438,741.20
Step by Step Solution
- Step 1: Write the proportion equation
376,656,287.20 : 564,984,430.80 = 194,959,160.80 : x - Step 2: Convert to fraction form
376,656,287.20/564,984,430.80 = 194,959,160.80/x - Step 3: Cross multiply
376,656,287.20x = 564,984,430.80 × 194,959,160.80 - Step 4: Simplify right side
376,656,287.20x = 110,148,890,493,833,664 - Step 5: Solve for x
x = 110,148,890,493,833,664/376,656,287.20 - Step 6: Final answer
x = 292,438,741.20
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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.