Home / 618,134,544.38-927,345,232.85-203,596,489.49

Finding the Fourth Proportional to 618,134,544.38, 927,345,232.85 and 203,596,489.49

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Solution

The fourth proportional to 618,134,544.38, 927,345,232.85 and 203,596,489.49 is: 305,441,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,134,544.38 : 927,345,232.85 = 203,596,489.49 : x
  2. Step 2: Convert to fraction form
    618,134,544.38/927,345,232.85 = 203,596,489.49/x
  3. Step 3: Cross multiply
    618,134,544.38x = 927,345,232.85 × 203,596,489.49
  4. Step 4: Simplify right side
    618,134,544.38x = 188,804,233,954,847,008
  5. Step 5: Solve for x
    x = 188,804,233,954,847,008/618,134,544.38
  6. Step 6: Final answer
    x = 305,441,971.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.