Home / 7,658,969,759.76-11,491,945,349.34-3,930,879,175.26

Finding the Fourth Proportional to 7,658,969,759.76, 11,491,945,349.34 and 3,930,879,175.26

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Solution

The fourth proportional to 7,658,969,759.76, 11,491,945,349.34 and 3,930,879,175.26 is: 5,898,110,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,969,759.76 : 11,491,945,349.34 = 3,930,879,175.26 : x
  2. Step 2: Convert to fraction form
    7,658,969,759.76/11,491,945,349.34 = 3,930,879,175.26/x
  3. Step 3: Cross multiply
    7,658,969,759.76x = 11,491,945,349.34 × 3,930,879,175.26
  4. Step 4: Simplify right side
    7,658,969,759.76x = 45,173,448,656,962,879,488
  5. Step 5: Solve for x
    x = 45,173,448,656,962,879,488/7,658,969,759.76
  6. Step 6: Final answer
    x = 5,898,110,329.97

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Double scale
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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.