Home / 8,522,897,296.80-12,784,345,945.20-6,992,347,216.80

Finding the Fourth Proportional to 8,522,897,296.80, 12,784,345,945.20 and 6,992,347,216.80

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Solution

The fourth proportional to 8,522,897,296.80, 12,784,345,945.20 and 6,992,347,216.80 is: 10,488,520,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,897,296.80 : 12,784,345,945.20 = 6,992,347,216.80 : x
  2. Step 2: Convert to fraction form
    8,522,897,296.80/12,784,345,945.20 = 6,992,347,216.80/x
  3. Step 3: Cross multiply
    8,522,897,296.80x = 12,784,345,945.20 × 6,992,347,216.80
  4. Step 4: Simplify right side
    8,522,897,296.80x = 89,392,585,788,527,591,424
  5. Step 5: Solve for x
    x = 89,392,585,788,527,591,424/8,522,897,296.80
  6. Step 6: Final answer
    x = 10,488,520,825.20

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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.