Home / 541,332,879.78-747,039,926.97-293,814,285.06

Finding the Fourth Proportional to 541,332,879.78, 747,039,926.97 and 293,814,285.06

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Solution

The fourth proportional to 541,332,879.78, 747,039,926.97 and 293,814,285.06 is: 405,464,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,332,879.78 : 747,039,926.97 = 293,814,285.06 : x
  2. Step 2: Convert to fraction form
    541,332,879.78/747,039,926.97 = 293,814,285.06/x
  3. Step 3: Cross multiply
    541,332,879.78x = 747,039,926.97 × 293,814,285.06
  4. Step 4: Simplify right side
    541,332,879.78x = 219,491,002,053,965,184
  5. Step 5: Solve for x
    x = 219,491,002,053,965,184/541,332,879.78
  6. Step 6: Final answer
    x = 405,464,013.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.