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Finding the Fourth Proportional to 485,286,832, 727,930,248 and 162,170,704

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Solution

The fourth proportional to 485,286,832, 727,930,248 and 162,170,704 is: 243,256,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,286,832 : 727,930,248 = 162,170,704 : x
  2. Step 2: Convert to fraction form
    485,286,832/727,930,248 = 162,170,704/x
  3. Step 3: Cross multiply
    485,286,832x = 727,930,248 × 162,170,704
  4. Step 4: Simplify right side
    485,286,832x = 118,048,960,781,054,592
  5. Step 5: Solve for x
    x = 118,048,960,781,054,592/485,286,832
  6. Step 6: Final answer
    x = 243,256,056

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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.