Home / 825,531,761.62-1,238,297,622.99-300,940,196.14

Finding the Fourth Proportional to 825,531,761.62, 1,238,297,622.99 and 300,940,196.14

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Solution

The fourth proportional to 825,531,761.62, 1,238,297,622.99 and 300,940,196.14 is: 451,410,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,531,761.62 : 1,238,297,622.99 = 300,940,196.14 : x
  2. Step 2: Convert to fraction form
    825,531,761.62/1,238,297,622.99 = 300,940,196.14/x
  3. Step 3: Cross multiply
    825,531,761.62x = 1,238,297,622.99 × 300,940,196.14
  4. Step 4: Simplify right side
    825,531,761.62x = 372,653,529,542,306,368
  5. Step 5: Solve for x
    x = 372,653,529,542,306,368/825,531,761.62
  6. Step 6: Final answer
    x = 451,410,287.12

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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.