Home / 396,933,623.57-547,768,854.65-220,717,835.51

Finding the Fourth Proportional to 396,933,623.57, 547,768,854.65 and 220,717,835.51

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Solution

The fourth proportional to 396,933,623.57, 547,768,854.65 and 220,717,835.51 is: 304,590,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,933,623.57 : 547,768,854.65 = 220,717,835.51 : x
  2. Step 2: Convert to fraction form
    396,933,623.57/547,768,854.65 = 220,717,835.51/x
  3. Step 3: Cross multiply
    396,933,623.57x = 547,768,854.65 × 220,717,835.51
  4. Step 4: Simplify right side
    396,933,623.57x = 120,902,355,954,297,360
  5. Step 5: Solve for x
    x = 120,902,355,954,297,360/396,933,623.57
  6. Step 6: Final answer
    x = 304,590,865.52

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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.