Home / 1,992,907,820.20-2,989,361,730.30-682,374,314.20

Finding the Fourth Proportional to 1,992,907,820.20, 2,989,361,730.30 and 682,374,314.20

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Solution

The fourth proportional to 1,992,907,820.20, 2,989,361,730.30 and 682,374,314.20 is: 1,023,561,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,820.20 : 2,989,361,730.30 = 682,374,314.20 : x
  2. Step 2: Convert to fraction form
    1,992,907,820.20/2,989,361,730.30 = 682,374,314.20/x
  3. Step 3: Cross multiply
    1,992,907,820.20x = 2,989,361,730.30 × 682,374,314.20
  4. Step 4: Simplify right side
    1,992,907,820.20x = 2,039,863,660,609,188,096
  5. Step 5: Solve for x
    x = 2,039,863,660,609,188,096/1,992,907,820.20
  6. Step 6: Final answer
    x = 1,023,561,471.30

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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.