Home / 1,370,286,847.75-1,890,945,214.25-743,741,823.60

Finding the Fourth Proportional to 1,370,286,847.75, 1,890,945,214.25 and 743,741,823.60

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Solution

The fourth proportional to 1,370,286,847.75, 1,890,945,214.25 and 743,741,823.60 is: 1,026,336,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,847.75 : 1,890,945,214.25 = 743,741,823.60 : x
  2. Step 2: Convert to fraction form
    1,370,286,847.75/1,890,945,214.25 = 743,741,823.60/x
  3. Step 3: Cross multiply
    1,370,286,847.75x = 1,890,945,214.25 × 743,741,823.60
  4. Step 4: Simplify right side
    1,370,286,847.75x = 1,406,375,041,973,987,840
  5. Step 5: Solve for x
    x = 1,406,375,041,973,987,840/1,370,286,847.75
  6. Step 6: Final answer
    x = 1,026,336,233.38

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Double scale
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1.5x scale

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.