Home / 726,798,220.16-1,002,976,441.56-396,773,359.20

Finding the Fourth Proportional to 726,798,220.16, 1,002,976,441.56 and 396,773,359.20

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Solution

The fourth proportional to 726,798,220.16, 1,002,976,441.56 and 396,773,359.20 is: 547,544,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,220.16 : 1,002,976,441.56 = 396,773,359.20 : x
  2. Step 2: Convert to fraction form
    726,798,220.16/1,002,976,441.56 = 396,773,359.20/x
  3. Step 3: Cross multiply
    726,798,220.16x = 1,002,976,441.56 × 396,773,359.20
  4. Step 4: Simplify right side
    726,798,220.16x = 397,954,331,916,223,680
  5. Step 5: Solve for x
    x = 397,954,331,916,223,680/726,798,220.16
  6. Step 6: Final answer
    x = 547,544,450.27

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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.