Home / 392,474,153.84-541,589,924.58-216,252,287.60

Finding the Fourth Proportional to 392,474,153.84, 541,589,924.58 and 216,252,287.60

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Solution

The fourth proportional to 392,474,153.84, 541,589,924.58 and 216,252,287.60 is: 298,414,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,474,153.84 : 541,589,924.58 = 216,252,287.60 : x
  2. Step 2: Convert to fraction form
    392,474,153.84/541,589,924.58 = 216,252,287.60/x
  3. Step 3: Cross multiply
    392,474,153.84x = 541,589,924.58 × 216,252,287.60
  4. Step 4: Simplify right side
    392,474,153.84x = 117,120,060,131,536,480
  5. Step 5: Solve for x
    x = 117,120,060,131,536,480/392,474,153.84
  6. Step 6: Final answer
    x = 298,414,708.30

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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.