Home / 314,930,370.80-472,395,556.20-228,199,199.60

Finding the Fourth Proportional to 314,930,370.80, 472,395,556.20 and 228,199,199.60

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Solution

The fourth proportional to 314,930,370.80, 472,395,556.20 and 228,199,199.60 is: 342,298,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,370.80 : 472,395,556.20 = 228,199,199.60 : x
  2. Step 2: Convert to fraction form
    314,930,370.80/472,395,556.20 = 228,199,199.60/x
  3. Step 3: Cross multiply
    314,930,370.80x = 472,395,556.20 × 228,199,199.60
  4. Step 4: Simplify right side
    314,930,370.80x = 107,800,287,819,436,816
  5. Step 5: Solve for x
    x = 107,800,287,819,436,816/314,930,370.80
  6. Step 6: Final answer
    x = 342,298,799.40

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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.