Home / 1,993,823,331.80-2,751,435,887.10-1,211,794,122.20

Finding the Fourth Proportional to 1,993,823,331.80, 2,751,435,887.10 and 1,211,794,122.20

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Solution

The fourth proportional to 1,993,823,331.80, 2,751,435,887.10 and 1,211,794,122.20 is: 1,672,251,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,823,331.80 : 2,751,435,887.10 = 1,211,794,122.20 : x
  2. Step 2: Convert to fraction form
    1,993,823,331.80/2,751,435,887.10 = 1,211,794,122.20/x
  3. Step 3: Cross multiply
    1,993,823,331.80x = 2,751,435,887.10 × 1,211,794,122.20
  4. Step 4: Simplify right side
    1,993,823,331.80x = 3,334,173,835,597,922,816
  5. Step 5: Solve for x
    x = 3,334,173,835,597,922,816/1,993,823,331.80
  6. Step 6: Final answer
    x = 1,672,251,388.79

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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.