Home / 300,914,069.28-451,371,103.92-240,712,432.80

Finding the Fourth Proportional to 300,914,069.28, 451,371,103.92 and 240,712,432.80

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Solution

The fourth proportional to 300,914,069.28, 451,371,103.92 and 240,712,432.80 is: 361,068,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,914,069.28 : 451,371,103.92 = 240,712,432.80 : x
  2. Step 2: Convert to fraction form
    300,914,069.28/451,371,103.92 = 240,712,432.80/x
  3. Step 3: Cross multiply
    300,914,069.28x = 451,371,103.92 × 240,712,432.80
  4. Step 4: Simplify right side
    300,914,069.28x = 108,650,636,520,204,832
  5. Step 5: Solve for x
    x = 108,650,636,520,204,832/300,914,069.28
  6. Step 6: Final answer
    x = 361,068,649.20

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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.