Home / 478,808,302.20-660,755,740.50-267,115,133.76

Finding the Fourth Proportional to 478,808,302.20, 660,755,740.50 and 267,115,133.76

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Solution

The fourth proportional to 478,808,302.20, 660,755,740.50 and 267,115,133.76 is: 368,619,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,808,302.20 : 660,755,740.50 = 267,115,133.76 : x
  2. Step 2: Convert to fraction form
    478,808,302.20/660,755,740.50 = 267,115,133.76/x
  3. Step 3: Cross multiply
    478,808,302.20x = 660,755,740.50 × 267,115,133.76
  4. Step 4: Simplify right side
    478,808,302.20x = 176,497,858,006,345,344
  5. Step 5: Solve for x
    x = 176,497,858,006,345,344/478,808,302.20
  6. Step 6: Final answer
    x = 368,619,042.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.