Home / 404,572,936.70-558,310,654.62-218,933,954.24

Finding the Fourth Proportional to 404,572,936.70, 558,310,654.62 and 218,933,954.24

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Solution

The fourth proportional to 404,572,936.70, 558,310,654.62 and 218,933,954.24 is: 302,128,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,936.70 : 558,310,654.62 = 218,933,954.24 : x
  2. Step 2: Convert to fraction form
    404,572,936.70/558,310,654.62 = 218,933,954.24/x
  3. Step 3: Cross multiply
    404,572,936.70x = 558,310,654.62 × 218,933,954.24
  4. Step 4: Simplify right side
    404,572,936.70x = 122,233,159,310,279,536
  5. Step 5: Solve for x
    x = 122,233,159,310,279,536/404,572,936.70
  6. Step 6: Final answer
    x = 302,128,857.92

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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.