Home / 481,392,137.55-664,323,801.44-261,375,563.55

Finding the Fourth Proportional to 481,392,137.55, 664,323,801.44 and 261,375,563.55

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Solution

The fourth proportional to 481,392,137.55, 664,323,801.44 and 261,375,563.55 is: 360,699,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,392,137.55 : 664,323,801.44 = 261,375,563.55 : x
  2. Step 2: Convert to fraction form
    481,392,137.55/664,323,801.44 = 261,375,563.55/x
  3. Step 3: Cross multiply
    481,392,137.55x = 664,323,801.44 × 261,375,563.55
  4. Step 4: Simplify right side
    481,392,137.55x = 173,638,007,979,751,424
  5. Step 5: Solve for x
    x = 173,638,007,979,751,424/481,392,137.55
  6. Step 6: Final answer
    x = 360,699,717.41

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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.