Home / 442,979,558.20-664,469,337.30-261,581,030.20

Finding the Fourth Proportional to 442,979,558.20, 664,469,337.30 and 261,581,030.20

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Solution

The fourth proportional to 442,979,558.20, 664,469,337.30 and 261,581,030.20 is: 392,371,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,979,558.20 : 664,469,337.30 = 261,581,030.20 : x
  2. Step 2: Convert to fraction form
    442,979,558.20/664,469,337.30 = 261,581,030.20/x
  3. Step 3: Cross multiply
    442,979,558.20x = 664,469,337.30 × 261,581,030.20
  4. Step 4: Simplify right side
    442,979,558.20x = 173,812,573,787,245,280
  5. Step 5: Solve for x
    x = 173,812,573,787,245,280/442,979,558.20
  6. Step 6: Final answer
    x = 392,371,545.30

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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.