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Finding the Fourth Proportional to 308,469,392.40, 462,687,791.94 and 101,180,497.98

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Solution

The fourth proportional to 308,469,392.40, 462,687,791.94 and 101,180,497.98 is: 151,765,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,469,392.40 : 462,687,791.94 = 101,180,497.98 : x
  2. Step 2: Convert to fraction form
    308,469,392.40/462,687,791.94 = 101,180,497.98/x
  3. Step 3: Cross multiply
    308,469,392.40x = 462,687,791.94 × 101,180,497.98
  4. Step 4: Simplify right side
    308,469,392.40x = 46,814,981,197,755,832
  5. Step 5: Solve for x
    x = 46,814,981,197,755,832/308,469,392.40
  6. Step 6: Final answer
    x = 151,765,401.53

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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.