Home / 329,015,215.88-454,089,729.38-208,324,421.48

Finding the Fourth Proportional to 329,015,215.88, 454,089,729.38 and 208,324,421.48

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Solution

The fourth proportional to 329,015,215.88, 454,089,729.38 and 208,324,421.48 is: 287,518,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,015,215.88 : 454,089,729.38 = 208,324,421.48 : x
  2. Step 2: Convert to fraction form
    329,015,215.88/454,089,729.38 = 208,324,421.48/x
  3. Step 3: Cross multiply
    329,015,215.88x = 454,089,729.38 × 208,324,421.48
  4. Step 4: Simplify right side
    329,015,215.88x = 94,597,980,173,098,256
  5. Step 5: Solve for x
    x = 94,597,980,173,098,256/329,015,215.88
  6. Step 6: Final answer
    x = 287,518,557.22

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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.