Home / 1,370,286,850.41-1,890,945,217.79-743,741,826.26

Finding the Fourth Proportional to 1,370,286,850.41, 1,890,945,217.79 and 743,741,826.26

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Solution

The fourth proportional to 1,370,286,850.41, 1,890,945,217.79 and 743,741,826.26 is: 1,026,336,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,850.41 : 1,890,945,217.79 = 743,741,826.26 : x
  2. Step 2: Convert to fraction form
    1,370,286,850.41/1,890,945,217.79 = 743,741,826.26/x
  3. Step 3: Cross multiply
    1,370,286,850.41x = 1,890,945,217.79 × 743,741,826.26
  4. Step 4: Simplify right side
    1,370,286,850.41x = 1,406,375,049,626,400,768
  5. Step 5: Solve for x
    x = 1,406,375,049,626,400,768/1,370,286,850.41
  6. Step 6: Final answer
    x = 1,026,336,236.98

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Double scale
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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.