Home / 469,545,425.87-647,960,358.20-260,696,198.75

Finding the Fourth Proportional to 469,545,425.87, 647,960,358.20 and 260,696,198.75

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Solution

The fourth proportional to 469,545,425.87, 647,960,358.20 and 260,696,198.75 is: 359,753,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,545,425.87 : 647,960,358.20 = 260,696,198.75 : x
  2. Step 2: Convert to fraction form
    469,545,425.87/647,960,358.20 = 260,696,198.75/x
  3. Step 3: Cross multiply
    469,545,425.87x = 647,960,358.20 × 260,696,198.75
  4. Step 4: Simplify right side
    469,545,425.87x = 168,920,802,318,885,120
  5. Step 5: Solve for x
    x = 168,920,802,318,885,120/469,545,425.87
  6. Step 6: Final answer
    x = 359,753,908.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.