Home / 304,786,796.92-420,605,459.76-165,557,667.76

Finding the Fourth Proportional to 304,786,796.92, 420,605,459.76 and 165,557,667.76

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Solution

The fourth proportional to 304,786,796.92, 420,605,459.76 and 165,557,667.76 is: 228,469,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786,796.92 : 420,605,459.76 = 165,557,667.76 : x
  2. Step 2: Convert to fraction form
    304,786,796.92/420,605,459.76 = 165,557,667.76/x
  3. Step 3: Cross multiply
    304,786,796.92x = 420,605,459.76 × 165,557,667.76
  4. Step 4: Simplify right side
    304,786,796.92x = 69,634,458,964,988,120
  5. Step 5: Solve for x
    x = 69,634,458,964,988,120/304,786,796.92
  6. Step 6: Final answer
    x = 228,469,407.69

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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.