Home / 356,615,998.20-534,923,997.30-231,780,507.30

Finding the Fourth Proportional to 356,615,998.20, 534,923,997.30 and 231,780,507.30

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Solution

The fourth proportional to 356,615,998.20, 534,923,997.30 and 231,780,507.30 is: 347,670,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,615,998.20 : 534,923,997.30 = 231,780,507.30 : x
  2. Step 2: Convert to fraction form
    356,615,998.20/534,923,997.30 = 231,780,507.30/x
  3. Step 3: Cross multiply
    356,615,998.20x = 534,923,997.30 × 231,780,507.30
  4. Step 4: Simplify right side
    356,615,998.20x = 123,984,955,461,137,840
  5. Step 5: Solve for x
    x = 123,984,955,461,137,840/356,615,998.20
  6. Step 6: Final answer
    x = 347,670,760.95

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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.