Home / 447,936,040.80-671,904,061.20-124,819,912.80

Finding the Fourth Proportional to 447,936,040.80, 671,904,061.20 and 124,819,912.80

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Solution

The fourth proportional to 447,936,040.80, 671,904,061.20 and 124,819,912.80 is: 187,229,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,936,040.80 : 671,904,061.20 = 124,819,912.80 : x
  2. Step 2: Convert to fraction form
    447,936,040.80/671,904,061.20 = 124,819,912.80/x
  3. Step 3: Cross multiply
    447,936,040.80x = 671,904,061.20 × 124,819,912.80
  4. Step 4: Simplify right side
    447,936,040.80x = 83,867,006,328,949,872
  5. Step 5: Solve for x
    x = 83,867,006,328,949,872/447,936,040.80
  6. Step 6: Final answer
    x = 187,229,869.20

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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.