Home / 718,529,553.20-1,077,794,329.80-392,012,202.80

Finding the Fourth Proportional to 718,529,553.20, 1,077,794,329.80 and 392,012,202.80

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Solution

The fourth proportional to 718,529,553.20, 1,077,794,329.80 and 392,012,202.80 is: 588,018,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,529,553.20 : 1,077,794,329.80 = 392,012,202.80 : x
  2. Step 2: Convert to fraction form
    718,529,553.20/1,077,794,329.80 = 392,012,202.80/x
  3. Step 3: Cross multiply
    718,529,553.20x = 1,077,794,329.80 × 392,012,202.80
  4. Step 4: Simplify right side
    718,529,553.20x = 422,508,529,390,247,680
  5. Step 5: Solve for x
    x = 422,508,529,390,247,680/718,529,553.20
  6. Step 6: Final answer
    x = 588,018,304.20

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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.