Home / 3,147,003,788.42-4,718,178,524.34-1,903,157,723.78

Finding the Fourth Proportional to 3,147,003,788.42, 4,718,178,524.34 and 1,903,157,723.78

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Solution

The fourth proportional to 3,147,003,788.42, 4,718,178,524.34 and 1,903,157,723.78 is: 2,853,329,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,003,788.42 : 4,718,178,524.34 = 1,903,157,723.78 : x
  2. Step 2: Convert to fraction form
    3,147,003,788.42/4,718,178,524.34 = 1,903,157,723.78/x
  3. Step 3: Cross multiply
    3,147,003,788.42x = 4,718,178,524.34 × 1,903,157,723.78
  4. Step 4: Simplify right side
    3,147,003,788.42x = 8,979,437,900,770,593,792
  5. Step 5: Solve for x
    x = 8,979,437,900,770,593,792/3,147,003,788.42
  6. Step 6: Final answer
    x = 2,853,329,231.38

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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.