Home / 11,912,448,049.20-17,868,672,073.80-10,880,491,978.80

Finding the Fourth Proportional to 11,912,448,049.20, 17,868,672,073.80 and 10,880,491,978.80

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Solution

The fourth proportional to 11,912,448,049.20, 17,868,672,073.80 and 10,880,491,978.80 is: 16,320,737,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,448,049.20 : 17,868,672,073.80 = 10,880,491,978.80 : x
  2. Step 2: Convert to fraction form
    11,912,448,049.20/17,868,672,073.80 = 10,880,491,978.80/x
  3. Step 3: Cross multiply
    11,912,448,049.20x = 17,868,672,073.80 × 10,880,491,978.80
  4. Step 4: Simplify right side
    11,912,448,049.20x = 194,419,943,170,788,425,728
  5. Step 5: Solve for x
    x = 194,419,943,170,788,425,728/11,912,448,049.20
  6. Step 6: Final answer
    x = 16,320,737,968.20

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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.