Home / 396,428,482.44-594,031,566.51-212,220,403.02

Finding the Fourth Proportional to 396,428,482.44, 594,031,566.51 and 212,220,403.02

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Solution

The fourth proportional to 396,428,482.44, 594,031,566.51 and 212,220,403.02 is: 318,003,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,428,482.44 : 594,031,566.51 = 212,220,403.02 : x
  2. Step 2: Convert to fraction form
    396,428,482.44/594,031,566.51 = 212,220,403.02/x
  3. Step 3: Cross multiply
    396,428,482.44x = 594,031,566.51 × 212,220,403.02
  4. Step 4: Simplify right side
    396,428,482.44x = 126,065,618,451,354,144
  5. Step 5: Solve for x
    x = 126,065,618,451,354,144/396,428,482.44
  6. Step 6: Final answer
    x = 318,003,433.24

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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.