Home / 539,321,944.84-744,052,510.56-313,222,438.12

Finding the Fourth Proportional to 539,321,944.84, 744,052,510.56 and 313,222,438.12

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Solution

The fourth proportional to 539,321,944.84, 744,052,510.56 and 313,222,438.12 is: 432,123,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,321,944.84 : 744,052,510.56 = 313,222,438.12 : x
  2. Step 2: Convert to fraction form
    539,321,944.84/744,052,510.56 = 313,222,438.12/x
  3. Step 3: Cross multiply
    539,321,944.84x = 744,052,510.56 × 313,222,438.12
  4. Step 4: Simplify right side
    539,321,944.84x = 233,053,941,446,910,240
  5. Step 5: Solve for x
    x = 233,053,941,446,910,240/539,321,944.84
  6. Step 6: Final answer
    x = 432,123,972.85

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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.