Home / 3,989,757,188.10-5,985,202,652.55-1,229,098,340.10

Finding the Fourth Proportional to 3,989,757,188.10, 5,985,202,652.55 and 1,229,098,340.10

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Solution

The fourth proportional to 3,989,757,188.10, 5,985,202,652.55 and 1,229,098,340.10 is: 1,843,822,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,757,188.10 : 5,985,202,652.55 = 1,229,098,340.10 : x
  2. Step 2: Convert to fraction form
    3,989,757,188.10/5,985,202,652.55 = 1,229,098,340.10/x
  3. Step 3: Cross multiply
    3,989,757,188.10x = 5,985,202,652.55 × 1,229,098,340.10
  4. Step 4: Simplify right side
    3,989,757,188.10x = 7,356,402,645,411,321,856
  5. Step 5: Solve for x
    x = 7,356,402,645,411,321,856/3,989,757,188.10
  6. Step 6: Final answer
    x = 1,843,822,142.20

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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.