Home / 396,480,529.32-547,111,100.39-229,227,570.62

Finding the Fourth Proportional to 396,480,529.32, 547,111,100.39 and 229,227,570.62

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Solution

The fourth proportional to 396,480,529.32, 547,111,100.39 and 229,227,570.62 is: 316,315,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,480,529.32 : 547,111,100.39 = 229,227,570.62 : x
  2. Step 2: Convert to fraction form
    396,480,529.32/547,111,100.39 = 229,227,570.62/x
  3. Step 3: Cross multiply
    396,480,529.32x = 547,111,100.39 × 229,227,570.62
  4. Step 4: Simplify right side
    396,480,529.32x = 125,412,948,399,804,608
  5. Step 5: Solve for x
    x = 125,412,948,399,804,608/396,480,529.32
  6. Step 6: Final answer
    x = 316,315,529.08

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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.