Home / 279,660,984.10-419,491,476.15-252,451,204.90

Finding the Fourth Proportional to 279,660,984.10, 419,491,476.15 and 252,451,204.90

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Solution

The fourth proportional to 279,660,984.10, 419,491,476.15 and 252,451,204.90 is: 378,676,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,660,984.10 : 419,491,476.15 = 252,451,204.90 : x
  2. Step 2: Convert to fraction form
    279,660,984.10/419,491,476.15 = 252,451,204.90/x
  3. Step 3: Cross multiply
    279,660,984.10x = 419,491,476.15 × 252,451,204.90
  4. Step 4: Simplify right side
    279,660,984.10x = 105,901,128,599,347,104
  5. Step 5: Solve for x
    x = 105,901,128,599,347,104/279,660,984.10
  6. Step 6: Final answer
    x = 378,676,807.35

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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.