Home / 303,281,987,998.68-418,542,299,592.33-167,951,168,434.89

Finding the Fourth Proportional to 303,281,987,998.68, 418,542,299,592.33 and 167,951,168,434.89

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Solution

The fourth proportional to 303,281,987,998.68, 418,542,299,592.33 and 167,951,168,434.89 is: 231,779,898,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,987,998.68 : 418,542,299,592.33 = 167,951,168,434.89 : x
  2. Step 2: Convert to fraction form
    303,281,987,998.68/418,542,299,592.33 = 167,951,168,434.89/x
  3. Step 3: Cross multiply
    303,281,987,998.68x = 418,542,299,592.33 × 167,951,168,434.89
  4. Step 4: Simplify right side
    303,281,987,998.68x = 70,294,668,255,957,618,786,304
  5. Step 5: Solve for x
    x = 70,294,668,255,957,618,786,304/303,281,987,998.68
  6. Step 6: Final answer
    x = 231,779,898,040.84

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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.