Home / 1,948,843,836.25-2,922,098,318.91-620,297,974.15

Finding the Fourth Proportional to 1,948,843,836.25, 2,922,098,318.91 and 620,297,974.15

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Solution

The fourth proportional to 1,948,843,836.25, 2,922,098,318.91 and 620,297,974.15 is: 930,075,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,843,836.25 : 2,922,098,318.91 = 620,297,974.15 : x
  2. Step 2: Convert to fraction form
    1,948,843,836.25/2,922,098,318.91 = 620,297,974.15/x
  3. Step 3: Cross multiply
    1,948,843,836.25x = 2,922,098,318.91 × 620,297,974.15
  4. Step 4: Simplify right side
    1,948,843,836.25x = 1,812,571,667,486,993,408
  5. Step 5: Solve for x
    x = 1,812,571,667,486,993,408/1,948,843,836.25
  6. Step 6: Final answer
    x = 930,075,377.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.