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Finding the Fourth Proportional to 299,385,800.80, 449,414,624.40 and 231,529,314.40

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Solution

The fourth proportional to 299,385,800.80, 449,414,624.40 and 231,529,314.40 is: 347,553,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,385,800.80 : 449,414,624.40 = 231,529,314.40 : x
  2. Step 2: Convert to fraction form
    299,385,800.80/449,414,624.40 = 231,529,314.40/x
  3. Step 3: Cross multiply
    299,385,800.80x = 449,414,624.40 × 231,529,314.40
  4. Step 4: Simplify right side
    299,385,800.80x = 104,052,659,868,665,504
  5. Step 5: Solve for x
    x = 104,052,659,868,665,504/299,385,800.80
  6. Step 6: Final answer
    x = 347,553,757.03

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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.