Finding the Fourth Proportional to 467,472,697.76, 645,125,992.08 and 255,792,236.96
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Solution
The fourth proportional to 467,472,697.76, 645,125,992.08 and 255,792,236.96 is: 353,000,766.52
Step by Step Solution
- Step 1: Write the proportion equation
467,472,697.76 : 645,125,992.08 = 255,792,236.96 : x - Step 2: Convert to fraction form
467,472,697.76/645,125,992.08 = 255,792,236.96/x - Step 3: Cross multiply
467,472,697.76x = 645,125,992.08 × 255,792,236.96 - Step 4: Simplify right side
467,472,697.76x = 165,018,220,635,182,464 - Step 5: Solve for x
x = 165,018,220,635,182,464/467,472,697.76 - Step 6: Final answer
x = 353,000,766.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.