Home / 351,665,433.06-485,386,487.57-238,825,851.81

Finding the Fourth Proportional to 351,665,433.06, 485,386,487.57 and 238,825,851.81

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Solution

The fourth proportional to 351,665,433.06, 485,386,487.57 and 238,825,851.81 is: 329,639,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,665,433.06 : 485,386,487.57 = 238,825,851.81 : x
  2. Step 2: Convert to fraction form
    351,665,433.06/485,386,487.57 = 238,825,851.81/x
  3. Step 3: Cross multiply
    351,665,433.06x = 485,386,487.57 × 238,825,851.81
  4. Step 4: Simplify right side
    351,665,433.06x = 115,922,841,349,741,232
  5. Step 5: Solve for x
    x = 115,922,841,349,741,232/351,665,433.06
  6. Step 6: Final answer
    x = 329,639,567.76

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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.