Home / 463,025,006.70-638,951,043.87-274,861,343.58

Finding the Fourth Proportional to 463,025,006.70, 638,951,043.87 and 274,861,343.58

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Solution

The fourth proportional to 463,025,006.70, 638,951,043.87 and 274,861,343.58 is: 379,294,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,025,006.70 : 638,951,043.87 = 274,861,343.58 : x
  2. Step 2: Convert to fraction form
    463,025,006.70/638,951,043.87 = 274,861,343.58/x
  3. Step 3: Cross multiply
    463,025,006.70x = 638,951,043.87 × 274,861,343.58
  4. Step 4: Simplify right side
    463,025,006.70x = 175,622,942,399,951,712
  5. Step 5: Solve for x
    x = 175,622,942,399,951,712/463,025,006.70
  6. Step 6: Final answer
    x = 379,294,724.60

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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.