Home / 10,080,491,415.60-15,107,823,107.10-8,969,886,013.80

Finding the Fourth Proportional to 10,080,491,415.60, 15,107,823,107.10 and 8,969,886,013.80

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Solution

The fourth proportional to 10,080,491,415.60, 15,107,823,107.10 and 8,969,886,013.80 is: 13,443,337,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,491,415.60 : 15,107,823,107.10 = 8,969,886,013.80 : x
  2. Step 2: Convert to fraction form
    10,080,491,415.60/15,107,823,107.10 = 8,969,886,013.80/x
  3. Step 3: Cross multiply
    10,080,491,415.60x = 15,107,823,107.10 × 8,969,886,013.80
  4. Step 4: Simplify right side
    10,080,491,415.60x = 135,515,451,187,340,738,560
  5. Step 5: Solve for x
    x = 135,515,451,187,340,738,560/10,080,491,415.60
  6. Step 6: Final answer
    x = 13,443,337,789.82

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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.