Home / 542,040,634.65-747,949,944.62-303,830,842.31

Finding the Fourth Proportional to 542,040,634.65, 747,949,944.62 and 303,830,842.31

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Solution

The fourth proportional to 542,040,634.65, 747,949,944.62 and 303,830,842.31 is: 419,249,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,040,634.65 : 747,949,944.62 = 303,830,842.31 : x
  2. Step 2: Convert to fraction form
    542,040,634.65/747,949,944.62 = 303,830,842.31/x
  3. Step 3: Cross multiply
    542,040,634.65x = 747,949,944.62 × 303,830,842.31
  4. Step 4: Simplify right side
    542,040,634.65x = 227,250,261,679,832,704
  5. Step 5: Solve for x
    x = 227,250,261,679,832,704/542,040,634.65
  6. Step 6: Final answer
    x = 419,249,493.77

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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.