Home / 315,040,164.20-472,560,246.30-271,958,013.80

Finding the Fourth Proportional to 315,040,164.20, 472,560,246.30 and 271,958,013.80

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Solution

The fourth proportional to 315,040,164.20, 472,560,246.30 and 271,958,013.80 is: 407,937,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,040,164.20 : 472,560,246.30 = 271,958,013.80 : x
  2. Step 2: Convert to fraction form
    315,040,164.20/472,560,246.30 = 271,958,013.80/x
  3. Step 3: Cross multiply
    315,040,164.20x = 472,560,246.30 × 271,958,013.80
  4. Step 4: Simplify right side
    315,040,164.20x = 128,516,545,984,586,800
  5. Step 5: Solve for x
    x = 128,516,545,984,586,800/315,040,164.20
  6. Step 6: Final answer
    x = 407,937,020.70

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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.