Home / 408,067,271.20-612,100,906.80-224,401,261.60

Finding the Fourth Proportional to 408,067,271.20, 612,100,906.80 and 224,401,261.60

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Solution

The fourth proportional to 408,067,271.20, 612,100,906.80 and 224,401,261.60 is: 336,601,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,067,271.20 : 612,100,906.80 = 224,401,261.60 : x
  2. Step 2: Convert to fraction form
    408,067,271.20/612,100,906.80 = 224,401,261.60/x
  3. Step 3: Cross multiply
    408,067,271.20x = 612,100,906.80 × 224,401,261.60
  4. Step 4: Simplify right side
    408,067,271.20x = 137,356,215,712,424,000
  5. Step 5: Solve for x
    x = 137,356,215,712,424,000/408,067,271.20
  6. Step 6: Final answer
    x = 336,601,892.40

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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.