Home / 418,981,166.60-628,432,972.86-197,601,745.64

Finding the Fourth Proportional to 418,981,166.60, 628,432,972.86 and 197,601,745.64

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Solution

The fourth proportional to 418,981,166.60, 628,432,972.86 and 197,601,745.64 is: 296,384,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,981,166.60 : 628,432,972.86 = 197,601,745.64 : x
  2. Step 2: Convert to fraction form
    418,981,166.60/628,432,972.86 = 197,601,745.64/x
  3. Step 3: Cross multiply
    418,981,166.60x = 628,432,972.86 × 197,601,745.64
  4. Step 4: Simplify right side
    418,981,166.60x = 124,179,452,454,870,736
  5. Step 5: Solve for x
    x = 124,179,452,454,870,736/418,981,166.60
  6. Step 6: Final answer
    x = 296,384,330.26

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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.