Home / 3,987,632,597.16-5,982,483,088.20-2,120,743,140.68

Finding the Fourth Proportional to 3,987,632,597.16, 5,982,483,088.20 and 2,120,743,140.68

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Solution

The fourth proportional to 3,987,632,597.16, 5,982,483,088.20 and 2,120,743,140.68 is: 3,181,664,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,632,597.16 : 5,982,483,088.20 = 2,120,743,140.68 : x
  2. Step 2: Convert to fraction form
    3,987,632,597.16/5,982,483,088.20 = 2,120,743,140.68/x
  3. Step 3: Cross multiply
    3,987,632,597.16x = 5,982,483,088.20 × 2,120,743,140.68
  4. Step 4: Simplify right side
    3,987,632,597.16x = 12,687,309,973,557,055,488
  5. Step 5: Solve for x
    x = 12,687,309,973,557,055,488/3,987,632,597.16
  6. Step 6: Final answer
    x = 3,181,664,725.73

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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.