Home / 2,114,304,059.60-3,171,456,089.40-1,978,255,163.60

Finding the Fourth Proportional to 2,114,304,059.60, 3,171,456,089.40 and 1,978,255,163.60

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Solution

The fourth proportional to 2,114,304,059.60, 3,171,456,089.40 and 1,978,255,163.60 is: 2,967,382,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,304,059.60 : 3,171,456,089.40 = 1,978,255,163.60 : x
  2. Step 2: Convert to fraction form
    2,114,304,059.60/3,171,456,089.40 = 1,978,255,163.60/x
  3. Step 3: Cross multiply
    2,114,304,059.60x = 3,171,456,089.40 × 1,978,255,163.60
  4. Step 4: Simplify right side
    2,114,304,059.60x = 6,273,949,384,986,213,376
  5. Step 5: Solve for x
    x = 6,273,949,384,986,213,376/2,114,304,059.60
  6. Step 6: Final answer
    x = 2,967,382,745.40

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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.