Home / 1,843,880,961.51-2,542,947,617.82-1,306,970,646.30

Finding the Fourth Proportional to 1,843,880,961.51, 2,542,947,617.82 and 1,306,970,646.30

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Solution

The fourth proportional to 1,843,880,961.51, 2,542,947,617.82 and 1,306,970,646.30 is: 1,802,479,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,880,961.51 : 2,542,947,617.82 = 1,306,970,646.30 : x
  2. Step 2: Convert to fraction form
    1,843,880,961.51/2,542,947,617.82 = 1,306,970,646.30/x
  3. Step 3: Cross multiply
    1,843,880,961.51x = 2,542,947,617.82 × 1,306,970,646.30
  4. Step 4: Simplify right side
    1,843,880,961.51x = 3,323,557,891,556,536,320
  5. Step 5: Solve for x
    x = 3,323,557,891,556,536,320/1,843,880,961.51
  6. Step 6: Final answer
    x = 1,802,479,639.92

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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.