Home / 731,073,471.40-1,008,875,464.80-396,545,158.16

Finding the Fourth Proportional to 731,073,471.40, 1,008,875,464.80 and 396,545,158.16

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Solution

The fourth proportional to 731,073,471.40, 1,008,875,464.80 and 396,545,158.16 is: 547,229,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,073,471.40 : 1,008,875,464.80 = 396,545,158.16 : x
  2. Step 2: Convert to fraction form
    731,073,471.40/1,008,875,464.80 = 396,545,158.16/x
  3. Step 3: Cross multiply
    731,073,471.40x = 1,008,875,464.80 × 396,545,158.16
  4. Step 4: Simplify right side
    731,073,471.40x = 400,064,680,752,859,520
  5. Step 5: Solve for x
    x = 400,064,680,752,859,520/731,073,471.40
  6. Step 6: Final answer
    x = 547,229,104.06

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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.