Home / 1,591,375,811.88-2,180,192,640.48-1,531,731,406.20

Finding the Fourth Proportional to 1,591,375,811.88, 2,180,192,640.48 and 1,531,731,406.20

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Solution

The fourth proportional to 1,591,375,811.88, 2,180,192,640.48 and 1,531,731,406.20 is: 2,098,479,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,375,811.88 : 2,180,192,640.48 = 1,531,731,406.20 : x
  2. Step 2: Convert to fraction form
    1,591,375,811.88/2,180,192,640.48 = 1,531,731,406.20/x
  3. Step 3: Cross multiply
    1,591,375,811.88x = 2,180,192,640.48 × 1,531,731,406.20
  4. Step 4: Simplify right side
    1,591,375,811.88x = 3,339,469,538,989,321,728
  5. Step 5: Solve for x
    x = 3,339,469,538,989,321,728/1,591,375,811.88
  6. Step 6: Final answer
    x = 2,098,479,513.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.