Home / 12,726,648,154.10-17,563,318,789.97-7,087,863,101.42

Finding the Fourth Proportional to 12,726,648,154.10, 17,563,318,789.97 and 7,087,863,101.42

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Solution

The fourth proportional to 12,726,648,154.10, 17,563,318,789.97 and 7,087,863,101.42 is: 9,781,554,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,648,154.10 : 17,563,318,789.97 = 7,087,863,101.42 : x
  2. Step 2: Convert to fraction form
    12,726,648,154.10/17,563,318,789.97 = 7,087,863,101.42/x
  3. Step 3: Cross multiply
    12,726,648,154.10x = 17,563,318,789.97 × 7,087,863,101.42
  4. Step 4: Simplify right side
    12,726,648,154.10x = 124,486,399,189,904,932,864
  5. Step 5: Solve for x
    x = 124,486,399,189,904,932,864/12,726,648,154.10
  6. Step 6: Final answer
    x = 9,781,554,238.21

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1.5x scale

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.