Home / 392,222,731.14-541,326,213.48-297,981,797.94

Finding the Fourth Proportional to 392,222,731.14, 541,326,213.48 and 297,981,797.94

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Solution

The fourth proportional to 392,222,731.14, 541,326,213.48 and 297,981,797.94 is: 411,259,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222,731.14 : 541,326,213.48 = 297,981,797.94 : x
  2. Step 2: Convert to fraction form
    392,222,731.14/541,326,213.48 = 297,981,797.94/x
  3. Step 3: Cross multiply
    392,222,731.14x = 541,326,213.48 × 297,981,797.94
  4. Step 4: Simplify right side
    392,222,731.14x = 161,305,358,364,822,656
  5. Step 5: Solve for x
    x = 161,305,358,364,822,656/392,222,731.14
  6. Step 6: Final answer
    x = 411,259,586.86

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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.