Home / 694,912,605.10-1,042,545,343.11-321,689,562.46

Finding the Fourth Proportional to 694,912,605.10, 1,042,545,343.11 and 321,689,562.46

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Solution

The fourth proportional to 694,912,605.10, 1,042,545,343.11 and 321,689,562.46 is: 482,616,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,912,605.10 : 1,042,545,343.11 = 321,689,562.46 : x
  2. Step 2: Convert to fraction form
    694,912,605.10/1,042,545,343.11 = 321,689,562.46/x
  3. Step 3: Cross multiply
    694,912,605.10x = 1,042,545,343.11 × 321,689,562.46
  4. Step 4: Simplify right side
    694,912,605.10x = 335,375,955,269,766,464
  5. Step 5: Solve for x
    x = 335,375,955,269,766,464/694,912,605.10
  6. Step 6: Final answer
    x = 482,616,019.35

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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.