Home / 547,951,501.62-821,839,758.66-159,683,511.78

Finding the Fourth Proportional to 547,951,501.62, 821,839,758.66 and 159,683,511.78

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Solution

The fourth proportional to 547,951,501.62, 821,839,758.66 and 159,683,511.78 is: 239,499,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,951,501.62 : 821,839,758.66 = 159,683,511.78 : x
  2. Step 2: Convert to fraction form
    547,951,501.62/821,839,758.66 = 159,683,511.78/x
  3. Step 3: Cross multiply
    547,951,501.62x = 821,839,758.66 × 159,683,511.78
  4. Step 4: Simplify right side
    547,951,501.62x = 131,234,258,783,256,464
  5. Step 5: Solve for x
    x = 131,234,258,783,256,464/547,951,501.62
  6. Step 6: Final answer
    x = 239,499,770.32

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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.