Home / 429,126,704.01-643,786,008.82-156,497,471.01

Finding the Fourth Proportional to 429,126,704.01, 643,786,008.82 and 156,497,471.01

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Solution

The fourth proportional to 429,126,704.01, 643,786,008.82 and 156,497,471.01 is: 234,781,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,126,704.01 : 643,786,008.82 = 156,497,471.01 : x
  2. Step 2: Convert to fraction form
    429,126,704.01/643,786,008.82 = 156,497,471.01/x
  3. Step 3: Cross multiply
    429,126,704.01x = 643,786,008.82 × 156,497,471.01
  4. Step 4: Simplify right side
    429,126,704.01x = 100,750,882,251,560,304
  5. Step 5: Solve for x
    x = 100,750,882,251,560,304/429,126,704.01
  6. Step 6: Final answer
    x = 234,781,199.38

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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.