Home / 404,573,022.13-558,310,771.25-218,934,037.82

Finding the Fourth Proportional to 404,573,022.13, 558,310,771.25 and 218,934,037.82

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Solution

The fourth proportional to 404,573,022.13, 558,310,771.25 and 218,934,037.82 is: 302,128,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,022.13 : 558,310,771.25 = 218,934,037.82 : x
  2. Step 2: Convert to fraction form
    404,573,022.13/558,310,771.25 = 218,934,037.82/x
  3. Step 3: Cross multiply
    404,573,022.13x = 558,310,771.25 × 218,934,037.82
  4. Step 4: Simplify right side
    404,573,022.13x = 122,233,231,504,274,640
  5. Step 5: Solve for x
    x = 122,233,231,504,274,640/404,573,022.13
  6. Step 6: Final answer
    x = 302,128,972.57

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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.