Home / 8,510,952,129.90-12,766,428,194.85-5,245,778,625.90

Finding the Fourth Proportional to 8,510,952,129.90, 12,766,428,194.85 and 5,245,778,625.90

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Solution

The fourth proportional to 8,510,952,129.90, 12,766,428,194.85 and 5,245,778,625.90 is: 7,868,667,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,952,129.90 : 12,766,428,194.85 = 5,245,778,625.90 : x
  2. Step 2: Convert to fraction form
    8,510,952,129.90/12,766,428,194.85 = 5,245,778,625.90/x
  3. Step 3: Cross multiply
    8,510,952,129.90x = 12,766,428,194.85 × 5,245,778,625.90
  4. Step 4: Simplify right side
    8,510,952,129.90x = 66,969,856,153,631,244,288
  5. Step 5: Solve for x
    x = 66,969,856,153,631,244,288/8,510,952,129.90
  6. Step 6: Final answer
    x = 7,868,667,938.85

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Double scale
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Similar ratio
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1.5x scale

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.