Home / 3,722,145,414.30-5,583,218,121.45-3,315,353,900.85

Finding the Fourth Proportional to 3,722,145,414.30, 5,583,218,121.45 and 3,315,353,900.85

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Solution

The fourth proportional to 3,722,145,414.30, 5,583,218,121.45 and 3,315,353,900.85 is: 4,973,030,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,145,414.30 : 5,583,218,121.45 = 3,315,353,900.85 : x
  2. Step 2: Convert to fraction form
    3,722,145,414.30/5,583,218,121.45 = 3,315,353,900.85/x
  3. Step 3: Cross multiply
    3,722,145,414.30x = 5,583,218,121.45 × 3,315,353,900.85
  4. Step 4: Simplify right side
    3,722,145,414.30x = 18,510,343,978,245,664,768
  5. Step 5: Solve for x
    x = 18,510,343,978,245,664,768/3,722,145,414.30
  6. Step 6: Final answer
    x = 4,973,030,851.28

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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.