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Finding the Fourth Proportional to 547,951,051.76, 821,839,084.68 and 159,683,062

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Solution

The fourth proportional to 547,951,051.76, 821,839,084.68 and 159,683,062 is: 239,499,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,951,051.76 : 821,839,084.68 = 159,683,062 : x
  2. Step 2: Convert to fraction form
    547,951,051.76/821,839,084.68 = 159,683,062/x
  3. Step 3: Cross multiply
    547,951,051.76x = 821,839,084.68 × 159,683,062
  4. Step 4: Simplify right side
    547,951,051.76x = 131,233,781,512,979,680
  5. Step 5: Solve for x
    x = 131,233,781,512,979,680/547,951,051.76
  6. Step 6: Final answer
    x = 239,499,095.93

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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.