Home / 351,804,318.12-485,288,253-219,415,471.92

Finding the Fourth Proportional to 351,804,318.12, 485,288,253 and 219,415,471.92

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Solution

The fourth proportional to 351,804,318.12, 485,288,253 and 219,415,471.92 is: 302,667,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,804,318.12 : 485,288,253 = 219,415,471.92 : x
  2. Step 2: Convert to fraction form
    351,804,318.12/485,288,253 = 219,415,471.92/x
  3. Step 3: Cross multiply
    351,804,318.12x = 485,288,253 × 219,415,471.92
  4. Step 4: Simplify right side
    351,804,318.12x = 106,479,751,049,227,344
  5. Step 5: Solve for x
    x = 106,479,751,049,227,344/351,804,318.12
  6. Step 6: Final answer
    x = 302,667,550.01

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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.