Home / 498,376,500,552.75-687,750,605,643.09-281,598,040,797.15

Finding the Fourth Proportional to 498,376,500,552.75, 687,750,605,643.09 and 281,598,040,797.15

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Solution

The fourth proportional to 498,376,500,552.75, 687,750,605,643.09 and 281,598,040,797.15 is: 388,600,230,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,376,500,552.75 : 687,750,605,643.09 = 281,598,040,797.15 : x
  2. Step 2: Convert to fraction form
    498,376,500,552.75/687,750,605,643.09 = 281,598,040,797.15/x
  3. Step 3: Cross multiply
    498,376,500,552.75x = 687,750,605,643.09 × 281,598,040,797.15
  4. Step 4: Simplify right side
    498,376,500,552.75x = 193,669,223,106,147,501,735,936
  5. Step 5: Solve for x
    x = 193,669,223,106,147,501,735,936/498,376,500,552.75
  6. Step 6: Final answer
    x = 388,600,230,731.88

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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.