Home / 392,222,730.13-541,326,212.09-297,981,796.93

Finding the Fourth Proportional to 392,222,730.13, 541,326,212.09 and 297,981,796.93

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Solution

The fourth proportional to 392,222,730.13, 541,326,212.09 and 297,981,796.93 is: 411,259,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222,730.13 : 541,326,212.09 = 297,981,796.93 : x
  2. Step 2: Convert to fraction form
    392,222,730.13/541,326,212.09 = 297,981,796.93/x
  3. Step 3: Cross multiply
    392,222,730.13x = 541,326,212.09 × 297,981,796.93
  4. Step 4: Simplify right side
    392,222,730.13x = 161,305,357,403,888,512
  5. Step 5: Solve for x
    x = 161,305,357,403,888,512/392,222,730.13
  6. Step 6: Final answer
    x = 411,259,585.47

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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.