Home / 392,222,729.13-541,326,210.71-297,981,795.93

Finding the Fourth Proportional to 392,222,729.13, 541,326,210.71 and 297,981,795.93

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Solution

The fourth proportional to 392,222,729.13, 541,326,210.71 and 297,981,795.93 is: 411,259,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222,729.13 : 541,326,210.71 = 297,981,795.93 : x
  2. Step 2: Convert to fraction form
    392,222,729.13/541,326,210.71 = 297,981,795.93/x
  3. Step 3: Cross multiply
    392,222,729.13x = 541,326,210.71 × 297,981,795.93
  4. Step 4: Simplify right side
    392,222,729.13x = 161,305,356,451,347,424
  5. Step 5: Solve for x
    x = 161,305,356,451,347,424/392,222,729.13
  6. Step 6: Final answer
    x = 411,259,584.09

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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.