Home / 418,981,165.60-628,432,971.36-197,601,744.64

Finding the Fourth Proportional to 418,981,165.60, 628,432,971.36 and 197,601,744.64

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Solution

The fourth proportional to 418,981,165.60, 628,432,971.36 and 197,601,744.64 is: 296,384,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,981,165.60 : 628,432,971.36 = 197,601,744.64 : x
  2. Step 2: Convert to fraction form
    418,981,165.60/628,432,971.36 = 197,601,744.64/x
  3. Step 3: Cross multiply
    418,981,165.60x = 628,432,971.36 × 197,601,744.64
  4. Step 4: Simplify right side
    418,981,165.60x = 124,179,451,530,035,152
  5. Step 5: Solve for x
    x = 124,179,451,530,035,152/418,981,165.60
  6. Step 6: Final answer
    x = 296,384,328.76

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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.