Home / 589,259,968.53-813,198,387.60-321,350,418.56

Finding the Fourth Proportional to 589,259,968.53, 813,198,387.60 and 321,350,418.56

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Solution

The fourth proportional to 589,259,968.53, 813,198,387.60 and 321,350,418.56 is: 443,474,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,259,968.53 : 813,198,387.60 = 321,350,418.56 : x
  2. Step 2: Convert to fraction form
    589,259,968.53/813,198,387.60 = 321,350,418.56/x
  3. Step 3: Cross multiply
    589,259,968.53x = 813,198,387.60 × 321,350,418.56
  4. Step 4: Simplify right side
    589,259,968.53x = 261,321,642,223,511,136
  5. Step 5: Solve for x
    x = 261,321,642,223,511,136/589,259,968.53
  6. Step 6: Final answer
    x = 443,474,283.30

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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.