Home / 331,910,555.60-497,620,390.92-200,723,665.97

Finding the Fourth Proportional to 331,910,555.60, 497,620,390.92 and 200,723,665.97

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Solution

The fourth proportional to 331,910,555.60, 497,620,390.92 and 200,723,665.97 is: 300,937,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910,555.60 : 497,620,390.92 = 200,723,665.97 : x
  2. Step 2: Convert to fraction form
    331,910,555.60/497,620,390.92 = 200,723,665.97/x
  3. Step 3: Cross multiply
    331,910,555.60x = 497,620,390.92 × 200,723,665.97
  4. Step 4: Simplify right side
    331,910,555.60x = 99,884,189,126,904,176
  5. Step 5: Solve for x
    x = 99,884,189,126,904,176/331,910,555.60
  6. Step 6: Final answer
    x = 300,937,067.06

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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.