Home / 3,615,015,142.82-4,988,447,116.97-2,028,800,751.54

Finding the Fourth Proportional to 3,615,015,142.82, 4,988,447,116.97 and 2,028,800,751.54

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Solution

The fourth proportional to 3,615,015,142.82, 4,988,447,116.97 and 2,028,800,751.54 is: 2,799,591,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,015,142.82 : 4,988,447,116.97 = 2,028,800,751.54 : x
  2. Step 2: Convert to fraction form
    3,615,015,142.82/4,988,447,116.97 = 2,028,800,751.54/x
  3. Step 3: Cross multiply
    3,615,015,142.82x = 4,988,447,116.97 × 2,028,800,751.54
  4. Step 4: Simplify right side
    3,615,015,142.82x = 10,120,565,259,926,282,240
  5. Step 5: Solve for x
    x = 10,120,565,259,926,282,240/3,615,015,142.82
  6. Step 6: Final answer
    x = 2,799,591,387.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.