Home / 1,631,491,378.42-2,445,494,719.90-930,474,053.46

Finding the Fourth Proportional to 1,631,491,378.42, 2,445,494,719.90 and 930,474,053.46

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Solution

The fourth proportional to 1,631,491,378.42, 2,445,494,719.90 and 930,474,053.46 is: 1,394,717,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,491,378.42 : 2,445,494,719.90 = 930,474,053.46 : x
  2. Step 2: Convert to fraction form
    1,631,491,378.42/2,445,494,719.90 = 930,474,053.46/x
  3. Step 3: Cross multiply
    1,631,491,378.42x = 2,445,494,719.90 × 930,474,053.46
  4. Step 4: Simplify right side
    1,631,491,378.42x = 2,275,469,384,740,380,416
  5. Step 5: Solve for x
    x = 2,275,469,384,740,380,416/1,631,491,378.42
  6. Step 6: Final answer
    x = 1,394,717,382.41

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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.