Home / 349,015,538.79-481,641,326.03-192,385,261.46

Finding the Fourth Proportional to 349,015,538.79, 481,641,326.03 and 192,385,261.46

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Solution

The fourth proportional to 349,015,538.79, 481,641,326.03 and 192,385,261.46 is: 265,491,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,015,538.79 : 481,641,326.03 = 192,385,261.46 : x
  2. Step 2: Convert to fraction form
    349,015,538.79/481,641,326.03 = 192,385,261.46/x
  3. Step 3: Cross multiply
    349,015,538.79x = 481,641,326.03 × 192,385,261.46
  4. Step 4: Simplify right side
    349,015,538.79x = 92,660,692,439,907,728
  5. Step 5: Solve for x
    x = 92,660,692,439,907,728/349,015,538.79
  6. Step 6: Final answer
    x = 265,491,596.05

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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.