Home / 8,691,410,767.80-13,040,517,374.10-3,171,226,812.60

Finding the Fourth Proportional to 8,691,410,767.80, 13,040,517,374.10 and 3,171,226,812.60

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Solution

The fourth proportional to 8,691,410,767.80, 13,040,517,374.10 and 3,171,226,812.60 is: 4,758,081,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,410,767.80 : 13,040,517,374.10 = 3,171,226,812.60 : x
  2. Step 2: Convert to fraction form
    8,691,410,767.80/13,040,517,374.10 = 3,171,226,812.60/x
  3. Step 3: Cross multiply
    8,691,410,767.80x = 13,040,517,374.10 × 3,171,226,812.60
  4. Step 4: Simplify right side
    8,691,410,767.80x = 41,354,438,346,922,065,920
  5. Step 5: Solve for x
    x = 41,354,438,346,922,065,920/8,691,410,767.80
  6. Step 6: Final answer
    x = 4,758,081,219.69

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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.