Home / 10,080,491,430.10-15,107,823,128.85-8,969,886,028.30

Finding the Fourth Proportional to 10,080,491,430.10, 15,107,823,128.85 and 8,969,886,028.30

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Solution

The fourth proportional to 10,080,491,430.10, 15,107,823,128.85 and 8,969,886,028.30 is: 13,443,337,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,491,430.10 : 15,107,823,128.85 = 8,969,886,028.30 : x
  2. Step 2: Convert to fraction form
    10,080,491,430.10/15,107,823,128.85 = 8,969,886,028.30/x
  3. Step 3: Cross multiply
    10,080,491,430.10x = 15,107,823,128.85 × 8,969,886,028.30
  4. Step 4: Simplify right side
    10,080,491,430.10x = 135,515,451,601,499,193,344
  5. Step 5: Solve for x
    x = 135,515,451,601,499,193,344/10,080,491,430.10
  6. Step 6: Final answer
    x = 13,443,337,811.57

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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.