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Finding the Fourth Proportional to 221,489,008.15, 332,233,512.23 and 221,489,008.15

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Solution

The fourth proportional to 221,489,008.15, 332,233,512.23 and 221,489,008.15 is: 332,233,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,489,008.15 : 332,233,512.23 = 221,489,008.15 : x
  2. Step 2: Convert to fraction form
    221,489,008.15/332,233,512.23 = 221,489,008.15/x
  3. Step 3: Cross multiply
    221,489,008.15x = 332,233,512.23 × 221,489,008.15
  4. Step 4: Simplify right side
    221,489,008.15x = 73,586,071,096,906,160
  5. Step 5: Solve for x
    x = 73,586,071,096,906,160/221,489,008.15
  6. Step 6: Final answer
    x = 332,233,512.23

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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.