Home / 731,228,925.20-1,009,097,872.73-396,701,447.64

Finding the Fourth Proportional to 731,228,925.20, 1,009,097,872.73 and 396,701,447.64

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Solution

The fourth proportional to 731,228,925.20, 1,009,097,872.73 and 396,701,447.64 is: 547,449,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,228,925.20 : 1,009,097,872.73 = 396,701,447.64 : x
  2. Step 2: Convert to fraction form
    731,228,925.20/1,009,097,872.73 = 396,701,447.64/x
  3. Step 3: Cross multiply
    731,228,925.20x = 1,009,097,872.73 × 396,701,447.64
  4. Step 4: Simplify right side
    731,228,925.20x = 400,310,586,918,135,680
  5. Step 5: Solve for x
    x = 400,310,586,918,135,680/731,228,925.20
  6. Step 6: Final answer
    x = 547,449,058.87

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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.