Home / 329,976,937.50-494,962,254.81-200,620,261.50

Finding the Fourth Proportional to 329,976,937.50, 494,962,254.81 and 200,620,261.50

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Solution

The fourth proportional to 329,976,937.50, 494,962,254.81 and 200,620,261.50 is: 300,928,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,976,937.50 : 494,962,254.81 = 200,620,261.50 : x
  2. Step 2: Convert to fraction form
    329,976,937.50/494,962,254.81 = 200,620,261.50/x
  3. Step 3: Cross multiply
    329,976,937.50x = 494,962,254.81 × 200,620,261.50
  4. Step 4: Simplify right side
    329,976,937.50x = 99,299,456,992,611,840
  5. Step 5: Solve for x
    x = 99,299,456,992,611,840/329,976,937.50
  6. Step 6: Final answer
    x = 300,928,476.23

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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.