Home / 263,493,284.40-394,761,629.70-214,707,000.60

Finding the Fourth Proportional to 263,493,284.40, 394,761,629.70 and 214,707,000.60

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Solution

The fourth proportional to 263,493,284.40, 394,761,629.70 and 214,707,000.60 is: 321,670,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,493,284.40 : 394,761,629.70 = 214,707,000.60 : x
  2. Step 2: Convert to fraction form
    263,493,284.40/394,761,629.70 = 214,707,000.60/x
  3. Step 3: Cross multiply
    263,493,284.40x = 394,761,629.70 × 214,707,000.60
  4. Step 4: Simplify right side
    263,493,284.40x = 84,758,085,464,854,880
  5. Step 5: Solve for x
    x = 84,758,085,464,854,880/263,493,284.40
  6. Step 6: Final answer
    x = 321,670,761.58

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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.