Home / 708,102,043.20-1,063,109,658.60-449,821,717.20

Finding the Fourth Proportional to 708,102,043.20, 1,063,109,658.60 and 449,821,717.20

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Solution

The fourth proportional to 708,102,043.20, 1,063,109,658.60 and 449,821,717.20 is: 675,340,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,102,043.20 : 1,063,109,658.60 = 449,821,717.20 : x
  2. Step 2: Convert to fraction form
    708,102,043.20/1,063,109,658.60 = 449,821,717.20/x
  3. Step 3: Cross multiply
    708,102,043.20x = 1,063,109,658.60 × 449,821,717.20
  4. Step 4: Simplify right side
    708,102,043.20x = 478,209,812,203,357,760
  5. Step 5: Solve for x
    x = 478,209,812,203,357,760/708,102,043.20
  6. Step 6: Final answer
    x = 675,340,251.87

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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.