Home / 6,478,532,778.24-8,940,383,856-3,508,314,151.68

Finding the Fourth Proportional to 6,478,532,778.24, 8,940,383,856 and 3,508,314,151.68

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Solution

The fourth proportional to 6,478,532,778.24, 8,940,383,856 and 3,508,314,151.68 is: 4,841,478,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,532,778.24 : 8,940,383,856 = 3,508,314,151.68 : x
  2. Step 2: Convert to fraction form
    6,478,532,778.24/8,940,383,856 = 3,508,314,151.68/x
  3. Step 3: Cross multiply
    6,478,532,778.24x = 8,940,383,856 × 3,508,314,151.68
  4. Step 4: Simplify right side
    6,478,532,778.24x = 31,365,675,203,456,204,800
  5. Step 5: Solve for x
    x = 31,365,675,203,456,204,800/6,478,532,778.24
  6. Step 6: Final answer
    x = 4,841,478,198.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.