Home / 449,381,601.60-674,072,402.40-319,715,246.40

Finding the Fourth Proportional to 449,381,601.60, 674,072,402.40 and 319,715,246.40

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Solution

The fourth proportional to 449,381,601.60, 674,072,402.40 and 319,715,246.40 is: 479,572,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,381,601.60 : 674,072,402.40 = 319,715,246.40 : x
  2. Step 2: Convert to fraction form
    449,381,601.60/674,072,402.40 = 319,715,246.40/x
  3. Step 3: Cross multiply
    449,381,601.60x = 674,072,402.40 × 319,715,246.40
  4. Step 4: Simplify right side
    449,381,601.60x = 215,511,224,224,755,936
  5. Step 5: Solve for x
    x = 215,511,224,224,755,936/449,381,601.60
  6. Step 6: Final answer
    x = 479,572,869.60

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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.