Home / 419,904,527.10-629,856,790.65-113,227,640.70

Finding the Fourth Proportional to 419,904,527.10, 629,856,790.65 and 113,227,640.70

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Solution

The fourth proportional to 419,904,527.10, 629,856,790.65 and 113,227,640.70 is: 169,841,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,527.10 : 629,856,790.65 = 113,227,640.70 : x
  2. Step 2: Convert to fraction form
    419,904,527.10/629,856,790.65 = 113,227,640.70/x
  3. Step 3: Cross multiply
    419,904,527.10x = 629,856,790.65 × 113,227,640.70
  4. Step 4: Simplify right side
    419,904,527.10x = 71,317,198,384,173,320
  5. Step 5: Solve for x
    x = 71,317,198,384,173,320/419,904,527.10
  6. Step 6: Final answer
    x = 169,841,461.05

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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.