Home / 7,658,969,770.26-11,491,945,365.09-3,930,879,185.76

Finding the Fourth Proportional to 7,658,969,770.26, 11,491,945,365.09 and 3,930,879,185.76

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Solution

The fourth proportional to 7,658,969,770.26, 11,491,945,365.09 and 3,930,879,185.76 is: 5,898,110,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,969,770.26 : 11,491,945,365.09 = 3,930,879,185.76 : x
  2. Step 2: Convert to fraction form
    7,658,969,770.26/11,491,945,365.09 = 3,930,879,185.76/x
  3. Step 3: Cross multiply
    7,658,969,770.26x = 11,491,945,365.09 × 3,930,879,185.76
  4. Step 4: Simplify right side
    7,658,969,770.26x = 45,173,448,839,523,385,344
  5. Step 5: Solve for x
    x = 45,173,448,839,523,385,344/7,658,969,770.26
  6. Step 6: Final answer
    x = 5,898,110,345.72

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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.