Home / 489,758,180.33-734,953,325.65-178,839,764.28

Finding the Fourth Proportional to 489,758,180.33, 734,953,325.65 and 178,839,764.28

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Solution

The fourth proportional to 489,758,180.33, 734,953,325.65 and 178,839,764.28 is: 268,375,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,758,180.33 : 734,953,325.65 = 178,839,764.28 : x
  2. Step 2: Convert to fraction form
    489,758,180.33/734,953,325.65 = 178,839,764.28/x
  3. Step 3: Cross multiply
    489,758,180.33x = 734,953,325.65 × 178,839,764.28
  4. Step 4: Simplify right side
    489,758,180.33x = 131,438,879,515,600,992
  5. Step 5: Solve for x
    x = 131,438,879,515,600,992/489,758,180.33
  6. Step 6: Final answer
    x = 268,375,056.90

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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.