Home / 314,929,572.80-472,394,359.20-228,198,401.60

Finding the Fourth Proportional to 314,929,572.80, 472,394,359.20 and 228,198,401.60

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Solution

The fourth proportional to 314,929,572.80, 472,394,359.20 and 228,198,401.60 is: 342,297,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,572.80 : 472,394,359.20 = 228,198,401.60 : x
  2. Step 2: Convert to fraction form
    314,929,572.80/472,394,359.20 = 228,198,401.60/x
  3. Step 3: Cross multiply
    314,929,572.80x = 472,394,359.20 × 228,198,401.60
  4. Step 4: Simplify right side
    314,929,572.80x = 107,799,637,694,296,256
  5. Step 5: Solve for x
    x = 107,799,637,694,296,256/314,929,572.80
  6. Step 6: Final answer
    x = 342,297,602.40

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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.