Home / 392,222,727.63-541,326,208.64-297,981,794.43

Finding the Fourth Proportional to 392,222,727.63, 541,326,208.64 and 297,981,794.43

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Solution

The fourth proportional to 392,222,727.63, 541,326,208.64 and 297,981,794.43 is: 411,259,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222,727.63 : 541,326,208.64 = 297,981,794.43 : x
  2. Step 2: Convert to fraction form
    392,222,727.63/541,326,208.64 = 297,981,794.43/x
  3. Step 3: Cross multiply
    392,222,727.63x = 541,326,208.64 × 297,981,794.43
  4. Step 4: Simplify right side
    392,222,727.63x = 161,305,355,021,045,856
  5. Step 5: Solve for x
    x = 161,305,355,021,045,856/392,222,727.63
  6. Step 6: Final answer
    x = 411,259,582.01

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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.