Home / 445,072,769.91-667,472,515.85-307,780,634.12

Finding the Fourth Proportional to 445,072,769.91, 667,472,515.85 and 307,780,634.12

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Solution

The fourth proportional to 445,072,769.91, 667,472,515.85 and 307,780,634.12 is: 461,576,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,072,769.91 : 667,472,515.85 = 307,780,634.12 : x
  2. Step 2: Convert to fraction form
    445,072,769.91/667,472,515.85 = 307,780,634.12/x
  3. Step 3: Cross multiply
    445,072,769.91x = 667,472,515.85 × 307,780,634.12
  4. Step 4: Simplify right side
    445,072,769.91x = 205,435,114,183,416,832
  5. Step 5: Solve for x
    x = 205,435,114,183,416,832/445,072,769.91
  6. Step 6: Final answer
    x = 461,576,461.36

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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.