Home / 2,755,372,912.80-4,133,059,369.20-1,980,531,934.80

Finding the Fourth Proportional to 2,755,372,912.80, 4,133,059,369.20 and 1,980,531,934.80

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Solution

The fourth proportional to 2,755,372,912.80, 4,133,059,369.20 and 1,980,531,934.80 is: 2,970,797,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,372,912.80 : 4,133,059,369.20 = 1,980,531,934.80 : x
  2. Step 2: Convert to fraction form
    2,755,372,912.80/4,133,059,369.20 = 1,980,531,934.80/x
  3. Step 3: Cross multiply
    2,755,372,912.80x = 4,133,059,369.20 × 1,980,531,934.80
  4. Step 4: Simplify right side
    2,755,372,912.80x = 8,185,656,069,124,942,848
  5. Step 5: Solve for x
    x = 8,185,656,069,124,942,848/2,755,372,912.80
  6. Step 6: Final answer
    x = 2,970,797,902.20

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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.