Home / 526,065,456.87-725,982,175.71-340,749,027.72

Finding the Fourth Proportional to 526,065,456.87, 725,982,175.71 and 340,749,027.72

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Solution

The fourth proportional to 526,065,456.87, 725,982,175.71 and 340,749,027.72 is: 470,241,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,065,456.87 : 725,982,175.71 = 340,749,027.72 : x
  2. Step 2: Convert to fraction form
    526,065,456.87/725,982,175.71 = 340,749,027.72/x
  3. Step 3: Cross multiply
    526,065,456.87x = 725,982,175.71 × 340,749,027.72
  4. Step 4: Simplify right side
    526,065,456.87x = 247,377,720,515,232,736
  5. Step 5: Solve for x
    x = 247,377,720,515,232,736/526,065,456.87
  6. Step 6: Final answer
    x = 470,241,330.78

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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.