Home / 445,072,767.66-667,472,512.48-307,780,631.87

Finding the Fourth Proportional to 445,072,767.66, 667,472,512.48 and 307,780,631.87

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Solution

The fourth proportional to 445,072,767.66, 667,472,512.48 and 307,780,631.87 is: 461,576,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,072,767.66 : 667,472,512.48 = 307,780,631.87 : x
  2. Step 2: Convert to fraction form
    445,072,767.66/667,472,512.48 = 307,780,631.87/x
  3. Step 3: Cross multiply
    445,072,767.66x = 667,472,512.48 × 307,780,631.87
  4. Step 4: Simplify right side
    445,072,767.66x = 205,435,111,646,739,648
  5. Step 5: Solve for x
    x = 205,435,111,646,739,648/445,072,767.66
  6. Step 6: Final answer
    x = 461,576,458.00

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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.