Home / 483,420,189,212.25-667,121,935,133.38-263,693,669,700.15

Finding the Fourth Proportional to 483,420,189,212.25, 667,121,935,133.38 and 263,693,669,700.15

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Solution

The fourth proportional to 483,420,189,212.25, 667,121,935,133.38 and 263,693,669,700.15 is: 363,898,395,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420,189,212.25 : 667,121,935,133.38 = 263,693,669,700.15 : x
  2. Step 2: Convert to fraction form
    483,420,189,212.25/667,121,935,133.38 = 263,693,669,700.15/x
  3. Step 3: Cross multiply
    483,420,189,212.25x = 667,121,935,133.38 × 263,693,669,700.15
  4. Step 4: Simplify right side
    483,420,189,212.25x = 175,915,831,212,786,401,148,928
  5. Step 5: Solve for x
    x = 175,915,831,212,786,401,148,928/483,420,189,212.25
  6. Step 6: Final answer
    x = 363,898,395,512.71

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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.