Home / 404,291,880.91-557,922,795.24-218,652,896.38

Finding the Fourth Proportional to 404,291,880.91, 557,922,795.24 and 218,652,896.38

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Solution

The fourth proportional to 404,291,880.91, 557,922,795.24 and 218,652,896.38 is: 301,740,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,291,880.91 : 557,922,795.24 = 218,652,896.38 : x
  2. Step 2: Convert to fraction form
    404,291,880.91/557,922,795.24 = 218,652,896.38/x
  3. Step 3: Cross multiply
    404,291,880.91x = 557,922,795.24 × 218,652,896.38
  4. Step 4: Simplify right side
    404,291,880.91x = 121,991,435,135,651,680
  5. Step 5: Solve for x
    x = 121,991,435,135,651,680/404,291,880.91
  6. Step 6: Final answer
    x = 301,740,996.78

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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.