Home / 938,081,373.42-1,407,338,236.17-324,665,606.46

Finding the Fourth Proportional to 938,081,373.42, 1,407,338,236.17 and 324,665,606.46

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Solution

The fourth proportional to 938,081,373.42, 1,407,338,236.17 and 324,665,606.46 is: 487,073,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,081,373.42 : 1,407,338,236.17 = 324,665,606.46 : x
  2. Step 2: Convert to fraction form
    938,081,373.42/1,407,338,236.17 = 324,665,606.46/x
  3. Step 3: Cross multiply
    938,081,373.42x = 1,407,338,236.17 × 324,665,606.46
  4. Step 4: Simplify right side
    938,081,373.42x = 456,914,321,940,479,744
  5. Step 5: Solve for x
    x = 456,914,321,940,479,744/938,081,373.42
  6. Step 6: Final answer
    x = 487,073,227.21

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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.