Home / 329,015,215.38-454,089,728.69-208,324,420.98

Finding the Fourth Proportional to 329,015,215.38, 454,089,728.69 and 208,324,420.98

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Solution

The fourth proportional to 329,015,215.38, 454,089,728.69 and 208,324,420.98 is: 287,518,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,015,215.38 : 454,089,728.69 = 208,324,420.98 : x
  2. Step 2: Convert to fraction form
    329,015,215.38/454,089,728.69 = 208,324,420.98/x
  3. Step 3: Cross multiply
    329,015,215.38x = 454,089,728.69 × 208,324,420.98
  4. Step 4: Simplify right side
    329,015,215.38x = 94,597,979,802,309,536
  5. Step 5: Solve for x
    x = 94,597,979,802,309,536/329,015,215.38
  6. Step 6: Final answer
    x = 287,518,556.53

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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.