Home / 539,321,921.28-744,052,478.16-313,222,414.56

Finding the Fourth Proportional to 539,321,921.28, 744,052,478.16 and 313,222,414.56

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Solution

The fourth proportional to 539,321,921.28, 744,052,478.16 and 313,222,414.56 is: 432,123,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,321,921.28 : 744,052,478.16 = 313,222,414.56 : x
  2. Step 2: Convert to fraction form
    539,321,921.28/744,052,478.16 = 313,222,414.56/x
  3. Step 3: Cross multiply
    539,321,921.28x = 744,052,478.16 × 313,222,414.56
  4. Step 4: Simplify right side
    539,321,921.28x = 233,053,913,768,626,848
  5. Step 5: Solve for x
    x = 233,053,913,768,626,848/539,321,921.28
  6. Step 6: Final answer
    x = 432,123,940.40

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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.