Home / 399,160,434.74-550,835,537.68-222,951,001.64

Finding the Fourth Proportional to 399,160,434.74, 550,835,537.68 and 222,951,001.64

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Solution

The fourth proportional to 399,160,434.74, 550,835,537.68 and 222,951,001.64 is: 307,669,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,160,434.74 : 550,835,537.68 = 222,951,001.64 : x
  2. Step 2: Convert to fraction form
    399,160,434.74/550,835,537.68 = 222,951,001.64/x
  3. Step 3: Cross multiply
    399,160,434.74x = 550,835,537.68 × 222,951,001.64
  4. Step 4: Simplify right side
    399,160,434.74x = 122,809,334,861,352,400
  5. Step 5: Solve for x
    x = 122,809,334,861,352,400/399,160,434.74
  6. Step 6: Final answer
    x = 307,669,107.89

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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.