Home / 396,933,624.06-547,768,855.33-220,717,836.01

Finding the Fourth Proportional to 396,933,624.06, 547,768,855.33 and 220,717,836.01

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Solution

The fourth proportional to 396,933,624.06, 547,768,855.33 and 220,717,836.01 is: 304,590,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,933,624.06 : 547,768,855.33 = 220,717,836.01 : x
  2. Step 2: Convert to fraction form
    396,933,624.06/547,768,855.33 = 220,717,836.01/x
  3. Step 3: Cross multiply
    396,933,624.06x = 547,768,855.33 × 220,717,836.01
  4. Step 4: Simplify right side
    396,933,624.06x = 120,902,356,382,112,352
  5. Step 5: Solve for x
    x = 120,902,356,382,112,352/396,933,624.06
  6. Step 6: Final answer
    x = 304,590,866.21

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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.