Home / 2,478,128,016.64-3,419,693,652-1,364,270,195.92

Finding the Fourth Proportional to 2,478,128,016.64, 3,419,693,652 and 1,364,270,195.92

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Solution

The fourth proportional to 2,478,128,016.64, 3,419,693,652 and 1,364,270,195.92 is: 1,882,625,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,128,016.64 : 3,419,693,652 = 1,364,270,195.92 : x
  2. Step 2: Convert to fraction form
    2,478,128,016.64/3,419,693,652 = 1,364,270,195.92/x
  3. Step 3: Cross multiply
    2,478,128,016.64x = 3,419,693,652 × 1,364,270,195.92
  4. Step 4: Simplify right side
    2,478,128,016.64x = 4,665,386,128,600,420,352
  5. Step 5: Solve for x
    x = 4,665,386,128,600,420,352/2,478,128,016.64
  6. Step 6: Final answer
    x = 1,882,625,149.82

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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.