Home / 766,040,449.44-1,149,222,074.88-248,430,529.64

Finding the Fourth Proportional to 766,040,449.44, 1,149,222,074.88 and 248,430,529.64

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Solution

The fourth proportional to 766,040,449.44, 1,149,222,074.88 and 248,430,529.64 is: 372,698,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,040,449.44 : 1,149,222,074.88 = 248,430,529.64 : x
  2. Step 2: Convert to fraction form
    766,040,449.44/1,149,222,074.88 = 248,430,529.64/x
  3. Step 3: Cross multiply
    766,040,449.44x = 1,149,222,074.88 × 248,430,529.64
  4. Step 4: Simplify right side
    766,040,449.44x = 285,501,848,736,418,144
  5. Step 5: Solve for x
    x = 285,501,848,736,418,144/766,040,449.44
  6. Step 6: Final answer
    x = 372,698,137.47

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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.