Home / 1,992,906,035.20-2,989,359,052.80-1,334,291,203.90

Finding the Fourth Proportional to 1,992,906,035.20, 2,989,359,052.80 and 1,334,291,203.90

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Solution

The fourth proportional to 1,992,906,035.20, 2,989,359,052.80 and 1,334,291,203.90 is: 2,001,436,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,906,035.20 : 2,989,359,052.80 = 1,334,291,203.90 : x
  2. Step 2: Convert to fraction form
    1,992,906,035.20/2,989,359,052.80 = 1,334,291,203.90/x
  3. Step 3: Cross multiply
    1,992,906,035.20x = 2,989,359,052.80 × 1,334,291,203.90
  4. Step 4: Simplify right side
    1,992,906,035.20x = 3,988,675,489,449,875,968
  5. Step 5: Solve for x
    x = 3,988,675,489,449,875,968/1,992,906,035.20
  6. Step 6: Final answer
    x = 2,001,436,805.85

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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.