Home / 3,319,222,246.20-4,978,833,369.30-3,128,753,791.80

Finding the Fourth Proportional to 3,319,222,246.20, 4,978,833,369.30 and 3,128,753,791.80

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Solution

The fourth proportional to 3,319,222,246.20, 4,978,833,369.30 and 3,128,753,791.80 is: 4,693,130,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,222,246.20 : 4,978,833,369.30 = 3,128,753,791.80 : x
  2. Step 2: Convert to fraction form
    3,319,222,246.20/4,978,833,369.30 = 3,128,753,791.80/x
  3. Step 3: Cross multiply
    3,319,222,246.20x = 4,978,833,369.30 × 3,128,753,791.80
  4. Step 4: Simplify right side
    3,319,222,246.20x = 15,577,543,782,937,745,408
  5. Step 5: Solve for x
    x = 15,577,543,782,937,745,408/3,319,222,246.20
  6. Step 6: Final answer
    x = 4,693,130,687.70

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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.