Home / 2,239,261,629.78-3,090,795,682.41-1,299,766,947.60

Finding the Fourth Proportional to 2,239,261,629.78, 3,090,795,682.41 and 1,299,766,947.60

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Solution

The fourth proportional to 2,239,261,629.78, 3,090,795,682.41 and 1,299,766,947.60 is: 1,794,035,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,261,629.78 : 3,090,795,682.41 = 1,299,766,947.60 : x
  2. Step 2: Convert to fraction form
    2,239,261,629.78/3,090,795,682.41 = 1,299,766,947.60/x
  3. Step 3: Cross multiply
    2,239,261,629.78x = 3,090,795,682.41 × 1,299,766,947.60
  4. Step 4: Simplify right side
    2,239,261,629.78x = 4,017,314,069,781,304,320
  5. Step 5: Solve for x
    x = 4,017,314,069,781,304,320/2,239,261,629.78
  6. Step 6: Final answer
    x = 1,794,035,148.17

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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.