Home / 404,291,876.91-557,922,789.73-218,652,892.39

Finding the Fourth Proportional to 404,291,876.91, 557,922,789.73 and 218,652,892.39

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Solution

The fourth proportional to 404,291,876.91, 557,922,789.73 and 218,652,892.39 is: 301,740,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,291,876.91 : 557,922,789.73 = 218,652,892.39 : x
  2. Step 2: Convert to fraction form
    404,291,876.91/557,922,789.73 = 218,652,892.39/x
  3. Step 3: Cross multiply
    404,291,876.91x = 557,922,789.73 × 218,652,892.39
  4. Step 4: Simplify right side
    404,291,876.91x = 121,991,431,704,504,192
  5. Step 5: Solve for x
    x = 121,991,431,704,504,192/404,291,876.91
  6. Step 6: Final answer
    x = 301,740,991.28

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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.