Home / 417,436,622.40-626,231,909.34-137,333,299.92

Finding the Fourth Proportional to 417,436,622.40, 626,231,909.34 and 137,333,299.92

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Solution

The fourth proportional to 417,436,622.40, 626,231,909.34 and 137,333,299.92 is: 206,025,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,436,622.40 : 626,231,909.34 = 137,333,299.92 : x
  2. Step 2: Convert to fraction form
    417,436,622.40/626,231,909.34 = 137,333,299.92/x
  3. Step 3: Cross multiply
    417,436,622.40x = 626,231,909.34 × 137,333,299.92
  4. Step 4: Simplify right side
    417,436,622.40x = 86,002,494,624,864,464
  5. Step 5: Solve for x
    x = 86,002,494,624,864,464/417,436,622.40
  6. Step 6: Final answer
    x = 206,025,274.28

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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.