Home / 3,682,800,581.28-5,082,266,841.20-1,989,255,218.32

Finding the Fourth Proportional to 3,682,800,581.28, 5,082,266,841.20 and 1,989,255,218.32

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Solution

The fourth proportional to 3,682,800,581.28, 5,082,266,841.20 and 1,989,255,218.32 is: 2,745,173,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682,800,581.28 : 5,082,266,841.20 = 1,989,255,218.32 : x
  2. Step 2: Convert to fraction form
    3,682,800,581.28/5,082,266,841.20 = 1,989,255,218.32/x
  3. Step 3: Cross multiply
    3,682,800,581.28x = 5,082,266,841.20 × 1,989,255,218.32
  4. Step 4: Simplify right side
    3,682,800,581.28x = 10,109,925,834,751,801,344
  5. Step 5: Solve for x
    x = 10,109,925,834,751,801,344/3,682,800,581.28
  6. Step 6: Final answer
    x = 2,745,173,302.66

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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.