Home / 726,798,224.30-1,002,976,447.26-396,773,363.30

Finding the Fourth Proportional to 726,798,224.30, 1,002,976,447.26 and 396,773,363.30

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Solution

The fourth proportional to 726,798,224.30, 1,002,976,447.26 and 396,773,363.30 is: 547,544,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,224.30 : 1,002,976,447.26 = 396,773,363.30 : x
  2. Step 2: Convert to fraction form
    726,798,224.30/1,002,976,447.26 = 396,773,363.30/x
  3. Step 3: Cross multiply
    726,798,224.30x = 1,002,976,447.26 × 396,773,363.30
  4. Step 4: Simplify right side
    726,798,224.30x = 397,954,338,290,035,264
  5. Step 5: Solve for x
    x = 397,954,338,290,035,264/726,798,224.30
  6. Step 6: Final answer
    x = 547,544,455.92

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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.