Home / 3,998,271,400.80-5,997,407,101.20-1,932,028,792.80

Finding the Fourth Proportional to 3,998,271,400.80, 5,997,407,101.20 and 1,932,028,792.80

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Solution

The fourth proportional to 3,998,271,400.80, 5,997,407,101.20 and 1,932,028,792.80 is: 2,898,043,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,271,400.80 : 5,997,407,101.20 = 1,932,028,792.80 : x
  2. Step 2: Convert to fraction form
    3,998,271,400.80/5,997,407,101.20 = 1,932,028,792.80/x
  3. Step 3: Cross multiply
    3,998,271,400.80x = 5,997,407,101.20 × 1,932,028,792.80
  4. Step 4: Simplify right side
    3,998,271,400.80x = 11,587,163,201,661,583,360
  5. Step 5: Solve for x
    x = 11,587,163,201,661,583,360/3,998,271,400.80
  6. Step 6: Final answer
    x = 2,898,043,189.20

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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.