Home / 721,916,682,365.27-996,268,913,704.05-396,767,499,251.27

Finding the Fourth Proportional to 721,916,682,365.27, 996,268,913,704.05 and 396,767,499,251.27

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Solution

The fourth proportional to 721,916,682,365.27, 996,268,913,704.05 and 396,767,499,251.27 is: 547,552,280,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,916,682,365.27 : 996,268,913,704.05 = 396,767,499,251.27 : x
  2. Step 2: Convert to fraction form
    721,916,682,365.27/996,268,913,704.05 = 396,767,499,251.27/x
  3. Step 3: Cross multiply
    721,916,682,365.27x = 996,268,913,704.05 × 396,767,499,251.27
  4. Step 4: Simplify right side
    721,916,682,365.27x = 395,287,125,472,135,304,183,808
  5. Step 5: Solve for x
    x = 395,287,125,472,135,304,183,808/721,916,682,365.27
  6. Step 6: Final answer
    x = 547,552,280,101.11

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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.