Home / 8,378,805,727.67-12,569,499,993.17-2,856,772,357.79

Finding the Fourth Proportional to 8,378,805,727.67, 12,569,499,993.17 and 2,856,772,357.79

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Solution

The fourth proportional to 8,378,805,727.67, 12,569,499,993.17 and 2,856,772,357.79 is: 4,285,598,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,727.67 : 12,569,499,993.17 = 2,856,772,357.79 : x
  2. Step 2: Convert to fraction form
    8,378,805,727.67/12,569,499,993.17 = 2,856,772,357.79/x
  3. Step 3: Cross multiply
    8,378,805,727.67x = 12,569,499,993.17 × 2,856,772,357.79
  4. Step 4: Simplify right side
    8,378,805,727.67x = 35,908,200,131,769,647,104
  5. Step 5: Solve for x
    x = 35,908,200,131,769,647,104/8,378,805,727.67
  6. Step 6: Final answer
    x = 4,285,598,842.94

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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.