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Finding the Fourth Proportional to 267,251,013.60, 400,876,520.40 and 175,418,008.80

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Solution

The fourth proportional to 267,251,013.60, 400,876,520.40 and 175,418,008.80 is: 263,127,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,251,013.60 : 400,876,520.40 = 175,418,008.80 : x
  2. Step 2: Convert to fraction form
    267,251,013.60/400,876,520.40 = 175,418,008.80/x
  3. Step 3: Cross multiply
    267,251,013.60x = 400,876,520.40 × 175,418,008.80
  4. Step 4: Simplify right side
    267,251,013.60x = 70,320,960,983,240,584
  5. Step 5: Solve for x
    x = 70,320,960,983,240,584/267,251,013.60
  6. Step 6: Final answer
    x = 263,127,013.20

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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.