Home / 1,991,493,003.70-2,987,239,505.55-1,073,162,955.70

Finding the Fourth Proportional to 1,991,493,003.70, 2,987,239,505.55 and 1,073,162,955.70

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Solution

The fourth proportional to 1,991,493,003.70, 2,987,239,505.55 and 1,073,162,955.70 is: 1,609,744,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,493,003.70 : 2,987,239,505.55 = 1,073,162,955.70 : x
  2. Step 2: Convert to fraction form
    1,991,493,003.70/2,987,239,505.55 = 1,073,162,955.70/x
  3. Step 3: Cross multiply
    1,991,493,003.70x = 2,987,239,505.55 × 1,073,162,955.70
  4. Step 4: Simplify right side
    1,991,493,003.70x = 3,205,794,777,159,844,864
  5. Step 5: Solve for x
    x = 3,205,794,777,159,844,864/1,991,493,003.70
  6. Step 6: Final answer
    x = 1,609,744,433.55

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Double scale
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1.5x scale

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.