Home / 2,078,278,732.80-2,865,726,306.72-1,324,397,671.20

Finding the Fourth Proportional to 2,078,278,732.80, 2,865,726,306.72 and 1,324,397,671.20

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Solution

The fourth proportional to 2,078,278,732.80, 2,865,726,306.72 and 1,324,397,671.20 is: 1,826,204,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,278,732.80 : 2,865,726,306.72 = 1,324,397,671.20 : x
  2. Step 2: Convert to fraction form
    2,078,278,732.80/2,865,726,306.72 = 1,324,397,671.20/x
  3. Step 3: Cross multiply
    2,078,278,732.80x = 2,865,726,306.72 × 1,324,397,671.20
  4. Step 4: Simplify right side
    2,078,278,732.80x = 3,795,361,246,916,545,024
  5. Step 5: Solve for x
    x = 3,795,361,246,916,545,024/2,078,278,732.80
  6. Step 6: Final answer
    x = 1,826,204,150.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.