Home / 3,682,800,512.95-5,082,266,747.11-1,989,255,150.12

Finding the Fourth Proportional to 3,682,800,512.95, 5,082,266,747.11 and 1,989,255,150.12

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Solution

The fourth proportional to 3,682,800,512.95, 5,082,266,747.11 and 1,989,255,150.12 is: 2,745,173,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682,800,512.95 : 5,082,266,747.11 = 1,989,255,150.12 : x
  2. Step 2: Convert to fraction form
    3,682,800,512.95/5,082,266,747.11 = 1,989,255,150.12/x
  3. Step 3: Cross multiply
    3,682,800,512.95x = 5,082,266,747.11 × 1,989,255,150.12
  4. Step 4: Simplify right side
    3,682,800,512.95x = 10,109,925,300,972,185,600
  5. Step 5: Solve for x
    x = 10,109,925,300,972,185,600/3,682,800,512.95
  6. Step 6: Final answer
    x = 2,745,173,208.66

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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.