Home / 396,288,788.30-546,863,545.56-220,088,133.87

Finding the Fourth Proportional to 396,288,788.30, 546,863,545.56 and 220,088,133.87

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Solution

The fourth proportional to 396,288,788.30, 546,863,545.56 and 220,088,133.87 is: 303,713,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,288,788.30 : 546,863,545.56 = 220,088,133.87 : x
  2. Step 2: Convert to fraction form
    396,288,788.30/546,863,545.56 = 220,088,133.87/x
  3. Step 3: Cross multiply
    396,288,788.30x = 546,863,545.56 × 220,088,133.87
  4. Step 4: Simplify right side
    396,288,788.30x = 120,358,177,225,215,200
  5. Step 5: Solve for x
    x = 120,358,177,225,215,200/396,288,788.30
  6. Step 6: Final answer
    x = 303,713,303.98

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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.