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Finding the Fourth Proportional to 329,795,016.60, 494,566,553.70 and 99,687,624.60

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Solution

The fourth proportional to 329,795,016.60, 494,566,553.70 and 99,687,624.60 is: 149,493,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,795,016.60 : 494,566,553.70 = 99,687,624.60 : x
  2. Step 2: Convert to fraction form
    329,795,016.60/494,566,553.70 = 99,687,624.60/x
  3. Step 3: Cross multiply
    329,795,016.60x = 494,566,553.70 × 99,687,624.60
  4. Step 4: Simplify right side
    329,795,016.60x = 49,302,164,944,961,336
  5. Step 5: Solve for x
    x = 49,302,164,944,961,336/329,795,016.60
  6. Step 6: Final answer
    x = 149,493,359.40

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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.