Home / 1,591,378,170.58-2,180,195,872.86-1,531,733,759.83

Finding the Fourth Proportional to 1,591,378,170.58, 2,180,195,872.86 and 1,531,733,759.83

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Solution

The fourth proportional to 1,591,378,170.58, 2,180,195,872.86 and 1,531,733,759.83 is: 2,098,482,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,378,170.58 : 2,180,195,872.86 = 1,531,733,759.83 : x
  2. Step 2: Convert to fraction form
    1,591,378,170.58/2,180,195,872.86 = 1,531,733,759.83/x
  3. Step 3: Cross multiply
    1,591,378,170.58x = 2,180,195,872.86 × 1,531,733,759.83
  4. Step 4: Simplify right side
    1,591,378,170.58x = 3,339,479,621,497,266,688
  5. Step 5: Solve for x
    x = 3,339,479,621,497,266,688/1,591,378,170.58
  6. Step 6: Final answer
    x = 2,098,482,738.57

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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.