Home / 326,620,546.40-489,930,819.60-223,156,200.80

Finding the Fourth Proportional to 326,620,546.40, 489,930,819.60 and 223,156,200.80

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Solution

The fourth proportional to 326,620,546.40, 489,930,819.60 and 223,156,200.80 is: 334,734,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,620,546.40 : 489,930,819.60 = 223,156,200.80 : x
  2. Step 2: Convert to fraction form
    326,620,546.40/489,930,819.60 = 223,156,200.80/x
  3. Step 3: Cross multiply
    326,620,546.40x = 489,930,819.60 × 223,156,200.80
  4. Step 4: Simplify right side
    326,620,546.40x = 109,331,100,356,766,192
  5. Step 5: Solve for x
    x = 109,331,100,356,766,192/326,620,546.40
  6. Step 6: Final answer
    x = 334,734,301.20

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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.