Home / 709,240,930.20-1,063,861,395.30-437,143,138.20

Finding the Fourth Proportional to 709,240,930.20, 1,063,861,395.30 and 437,143,138.20

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Solution

The fourth proportional to 709,240,930.20, 1,063,861,395.30 and 437,143,138.20 is: 655,714,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,240,930.20 : 1,063,861,395.30 = 437,143,138.20 : x
  2. Step 2: Convert to fraction form
    709,240,930.20/1,063,861,395.30 = 437,143,138.20/x
  3. Step 3: Cross multiply
    709,240,930.20x = 1,063,861,395.30 × 437,143,138.20
  4. Step 4: Simplify right side
    709,240,930.20x = 465,059,708,951,272,704
  5. Step 5: Solve for x
    x = 465,059,708,951,272,704/709,240,930.20
  6. Step 6: Final answer
    x = 655,714,707.30

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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.