Home / 396,621,801.60-595,410,999.30-221,884,000.80

Finding the Fourth Proportional to 396,621,801.60, 595,410,999.30 and 221,884,000.80

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Solution

The fourth proportional to 396,621,801.60, 595,410,999.30 and 221,884,000.80 is: 333,093,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,621,801.60 : 595,410,999.30 = 221,884,000.80 : x
  2. Step 2: Convert to fraction form
    396,621,801.60/595,410,999.30 = 221,884,000.80/x
  3. Step 3: Cross multiply
    396,621,801.60x = 595,410,999.30 × 221,884,000.80
  4. Step 4: Simplify right side
    396,621,801.60x = 132,112,174,645,010,000
  5. Step 5: Solve for x
    x = 132,112,174,645,010,000/396,621,801.60
  6. Step 6: Final answer
    x = 333,093,577.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.