Home / 8,387,712,206.40-12,581,568,309.60-8,224,453,531.20

Finding the Fourth Proportional to 8,387,712,206.40, 12,581,568,309.60 and 8,224,453,531.20

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Solution

The fourth proportional to 8,387,712,206.40, 12,581,568,309.60 and 8,224,453,531.20 is: 12,336,680,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,712,206.40 : 12,581,568,309.60 = 8,224,453,531.20 : x
  2. Step 2: Convert to fraction form
    8,387,712,206.40/12,581,568,309.60 = 8,224,453,531.20/x
  3. Step 3: Cross multiply
    8,387,712,206.40x = 12,581,568,309.60 × 8,224,453,531.20
  4. Step 4: Simplify right side
    8,387,712,206.40x = 103,476,523,911,923,728,384
  5. Step 5: Solve for x
    x = 103,476,523,911,923,728,384/8,387,712,206.40
  6. Step 6: Final answer
    x = 12,336,680,296.80

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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.