Home / 3,689,834,140.28-5,087,352,198.84-3,079,656,168.50

Finding the Fourth Proportional to 3,689,834,140.28, 5,087,352,198.84 and 3,079,656,168.50

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Solution

The fourth proportional to 3,689,834,140.28, 5,087,352,198.84 and 3,079,656,168.50 is: 4,246,070,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,834,140.28 : 5,087,352,198.84 = 3,079,656,168.50 : x
  2. Step 2: Convert to fraction form
    3,689,834,140.28/5,087,352,198.84 = 3,079,656,168.50/x
  3. Step 3: Cross multiply
    3,689,834,140.28x = 5,087,352,198.84 × 3,079,656,168.50
  4. Step 4: Simplify right side
    3,689,834,140.28x = 15,667,295,580,489,644,032
  5. Step 5: Solve for x
    x = 15,667,295,580,489,644,032/3,689,834,140.28
  6. Step 6: Final answer
    x = 4,246,070,415.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.