Home / 2,179,099,110.66-3,268,627,125.36-998,344,665.72

Finding the Fourth Proportional to 2,179,099,110.66, 3,268,627,125.36 and 998,344,665.72

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Solution

The fourth proportional to 2,179,099,110.66, 3,268,627,125.36 and 998,344,665.72 is: 1,497,507,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,099,110.66 : 3,268,627,125.36 = 998,344,665.72 : x
  2. Step 2: Convert to fraction form
    2,179,099,110.66/3,268,627,125.36 = 998,344,665.72/x
  3. Step 3: Cross multiply
    2,179,099,110.66x = 3,268,627,125.36 × 998,344,665.72
  4. Step 4: Simplify right side
    2,179,099,110.66x = 3,263,216,454,830,854,144
  5. Step 5: Solve for x
    x = 3,263,216,454,830,854,144/2,179,099,110.66
  6. Step 6: Final answer
    x = 1,497,507,129.84

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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.