Home / 658,471,900.04-987,611,706.48-192,007,976.48

Finding the Fourth Proportional to 658,471,900.04, 987,611,706.48 and 192,007,976.48

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Solution

The fourth proportional to 658,471,900.04, 987,611,706.48 and 192,007,976.48 is: 287,983,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,471,900.04 : 987,611,706.48 = 192,007,976.48 : x
  2. Step 2: Convert to fraction form
    658,471,900.04/987,611,706.48 = 192,007,976.48/x
  3. Step 3: Cross multiply
    658,471,900.04x = 987,611,706.48 × 192,007,976.48
  4. Step 4: Simplify right side
    658,471,900.04x = 189,629,325,309,184,512
  5. Step 5: Solve for x
    x = 189,629,325,309,184,512/658,471,900.04
  6. Step 6: Final answer
    x = 287,983,929.61

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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.