Home / 708,840,983.70-1,063,261,475.55-611,906,145.30

Finding the Fourth Proportional to 708,840,983.70, 1,063,261,475.55 and 611,906,145.30

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Solution

The fourth proportional to 708,840,983.70, 1,063,261,475.55 and 611,906,145.30 is: 917,859,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,840,983.70 : 1,063,261,475.55 = 611,906,145.30 : x
  2. Step 2: Convert to fraction form
    708,840,983.70/1,063,261,475.55 = 611,906,145.30/x
  3. Step 3: Cross multiply
    708,840,983.70x = 1,063,261,475.55 × 611,906,145.30
  4. Step 4: Simplify right side
    708,840,983.70x = 650,616,230,949,790,592
  5. Step 5: Solve for x
    x = 650,616,230,949,790,592/708,840,983.70
  6. Step 6: Final answer
    x = 917,859,217.95

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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.