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Finding the Fourth Proportional to 8,087,907,451.80, 12,131,861,177.70 and 8,087,907,451.80

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Solution

The fourth proportional to 8,087,907,451.80, 12,131,861,177.70 and 8,087,907,451.80 is: 12,131,861,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,907,451.80 : 12,131,861,177.70 = 8,087,907,451.80 : x
  2. Step 2: Convert to fraction form
    8,087,907,451.80/12,131,861,177.70 = 8,087,907,451.80/x
  3. Step 3: Cross multiply
    8,087,907,451.80x = 12,131,861,177.70 × 8,087,907,451.80
  4. Step 4: Simplify right side
    8,087,907,451.80x = 98,121,370,423,322,968,064
  5. Step 5: Solve for x
    x = 98,121,370,423,322,968,064/8,087,907,451.80
  6. Step 6: Final answer
    x = 12,131,861,177.70

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Double scale
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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.