Home / 2,139,397,822.91-2,951,926,887.20-1,235,138,087.87

Finding the Fourth Proportional to 2,139,397,822.91, 2,951,926,887.20 and 1,235,138,087.87

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Solution

The fourth proportional to 2,139,397,822.91, 2,951,926,887.20 and 1,235,138,087.87 is: 1,704,235,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,397,822.91 : 2,951,926,887.20 = 1,235,138,087.87 : x
  2. Step 2: Convert to fraction form
    2,139,397,822.91/2,951,926,887.20 = 1,235,138,087.87/x
  3. Step 3: Cross multiply
    2,139,397,822.91x = 2,951,926,887.20 × 1,235,138,087.87
  4. Step 4: Simplify right side
    2,139,397,822.91x = 3,646,037,330,967,313,920
  5. Step 5: Solve for x
    x = 3,646,037,330,967,313,920/2,139,397,822.91
  6. Step 6: Final answer
    x = 1,704,235,318.90

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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.