Home / 8,449,907,605.10-12,674,861,407.65-8,091,645,512.30

Finding the Fourth Proportional to 8,449,907,605.10, 12,674,861,407.65 and 8,091,645,512.30

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Solution

The fourth proportional to 8,449,907,605.10, 12,674,861,407.65 and 8,091,645,512.30 is: 12,137,468,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,907,605.10 : 12,674,861,407.65 = 8,091,645,512.30 : x
  2. Step 2: Convert to fraction form
    8,449,907,605.10/12,674,861,407.65 = 8,091,645,512.30/x
  3. Step 3: Cross multiply
    8,449,907,605.10x = 12,674,861,407.65 × 8,091,645,512.30
  4. Step 4: Simplify right side
    8,449,907,605.10x = 102,560,485,428,235,583,488
  5. Step 5: Solve for x
    x = 102,560,485,428,235,583,488/8,449,907,605.10
  6. Step 6: Final answer
    x = 12,137,468,268.45

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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.