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Finding the Fourth Proportional to 308,469,311.46, 462,687,671.00 and 101,180,417.27

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Solution

The fourth proportional to 308,469,311.46, 462,687,671.00 and 101,180,417.27 is: 151,765,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,469,311.46 : 462,687,671.00 = 101,180,417.27 : x
  2. Step 2: Convert to fraction form
    308,469,311.46/462,687,671.00 = 101,180,417.27/x
  3. Step 3: Cross multiply
    308,469,311.46x = 462,687,671.00 × 101,180,417.27
  4. Step 4: Simplify right side
    308,469,311.46x = 46,814,931,614,645,136
  5. Step 5: Solve for x
    x = 46,814,931,614,645,136/308,469,311.46
  6. Step 6: Final answer
    x = 151,765,280.61

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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.