Home / 426,352,337.27-639,589,511.73-131,272,424.17

Finding the Fourth Proportional to 426,352,337.27, 639,589,511.73 and 131,272,424.17

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Solution

The fourth proportional to 426,352,337.27, 639,589,511.73 and 131,272,424.17 is: 196,927,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,352,337.27 : 639,589,511.73 = 131,272,424.17 : x
  2. Step 2: Convert to fraction form
    426,352,337.27/639,589,511.73 = 131,272,424.17/x
  3. Step 3: Cross multiply
    426,352,337.27x = 639,589,511.73 × 131,272,424.17
  4. Step 4: Simplify right side
    426,352,337.27x = 83,960,465,675,305,808
  5. Step 5: Solve for x
    x = 83,960,465,675,305,808/426,352,337.27
  6. Step 6: Final answer
    x = 196,927,419.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.