Home / 396,992,016.16-547,849,304.40-220,776,174.88

Finding the Fourth Proportional to 396,992,016.16, 547,849,304.40 and 220,776,174.88

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Solution

The fourth proportional to 396,992,016.16, 547,849,304.40 and 220,776,174.88 is: 304,671,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,992,016.16 : 547,849,304.40 = 220,776,174.88 : x
  2. Step 2: Convert to fraction form
    396,992,016.16/547,849,304.40 = 220,776,174.88/x
  3. Step 3: Cross multiply
    396,992,016.16x = 547,849,304.40 × 220,776,174.88
  4. Step 4: Simplify right side
    396,992,016.16x = 120,952,073,836,100,752
  5. Step 5: Solve for x
    x = 120,952,073,836,100,752/396,992,016.16
  6. Step 6: Final answer
    x = 304,671,300.46

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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.