Home / 351,665,441.92-485,386,499.82-238,825,860.68

Finding the Fourth Proportional to 351,665,441.92, 485,386,499.82 and 238,825,860.68

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Solution

The fourth proportional to 351,665,441.92, 485,386,499.82 and 238,825,860.68 is: 329,639,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,665,441.92 : 485,386,499.82 = 238,825,860.68 : x
  2. Step 2: Convert to fraction form
    351,665,441.92/485,386,499.82 = 238,825,860.68/x
  3. Step 3: Cross multiply
    351,665,441.92x = 485,386,499.82 × 238,825,860.68
  4. Step 4: Simplify right side
    351,665,441.92x = 115,922,848,581,964,160
  5. Step 5: Solve for x
    x = 115,922,848,581,964,160/351,665,441.92
  6. Step 6: Final answer
    x = 329,639,580.02

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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.