Home / 2,642,255,459.96-3,964,928,686.80-985,307,452.52

Finding the Fourth Proportional to 2,642,255,459.96, 3,964,928,686.80 and 985,307,452.52

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Solution

The fourth proportional to 2,642,255,459.96, 3,964,928,686.80 and 985,307,452.52 is: 1,478,537,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,255,459.96 : 3,964,928,686.80 = 985,307,452.52 : x
  2. Step 2: Convert to fraction form
    2,642,255,459.96/3,964,928,686.80 = 985,307,452.52/x
  3. Step 3: Cross multiply
    2,642,255,459.96x = 3,964,928,686.80 × 985,307,452.52
  4. Step 4: Simplify right side
    2,642,255,459.96x = 3,906,673,783,794,552,320
  5. Step 5: Solve for x
    x = 3,906,673,783,794,552,320/2,642,255,459.96
  6. Step 6: Final answer
    x = 1,478,537,500.63

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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.