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Finding the Fourth Proportional to 404,291,881.92, 557,922,796.62 and 218,652,897.38

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Solution

The fourth proportional to 404,291,881.92, 557,922,796.62 and 218,652,897.38 is: 301,740,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,291,881.92 : 557,922,796.62 = 218,652,897.38 : x
  2. Step 2: Convert to fraction form
    404,291,881.92/557,922,796.62 = 218,652,897.38/x
  3. Step 3: Cross multiply
    404,291,881.92x = 557,922,796.62 × 218,652,897.38
  4. Step 4: Simplify right side
    404,291,881.92x = 121,991,435,995,315,472
  5. Step 5: Solve for x
    x = 121,991,435,995,315,472/404,291,881.92
  6. Step 6: Final answer
    x = 301,740,998.15

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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.