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Finding the Fourth Proportional to 659,857,760.48, 989,914,098.52 and 250,882,112

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Solution

The fourth proportional to 659,857,760.48, 989,914,098.52 and 250,882,112 is: 376,371,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,857,760.48 : 989,914,098.52 = 250,882,112 : x
  2. Step 2: Convert to fraction form
    659,857,760.48/989,914,098.52 = 250,882,112/x
  3. Step 3: Cross multiply
    659,857,760.48x = 989,914,098.52 × 250,882,112
  4. Step 4: Simplify right side
    659,857,760.48x = 248,351,739,735,273,664
  5. Step 5: Solve for x
    x = 248,351,739,735,273,664/659,857,760.48
  6. Step 6: Final answer
    x = 376,371,628.27

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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.