Home / 380,105,561.25-524,545,674.53-206,265,305.25

Finding the Fourth Proportional to 380,105,561.25, 524,545,674.53 and 206,265,305.25

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Solution

The fourth proportional to 380,105,561.25, 524,545,674.53 and 206,265,305.25 is: 284,646,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105,561.25 : 524,545,674.53 = 206,265,305.25 : x
  2. Step 2: Convert to fraction form
    380,105,561.25/524,545,674.53 = 206,265,305.25/x
  3. Step 3: Cross multiply
    380,105,561.25x = 524,545,674.53 × 206,265,305.25
  4. Step 4: Simplify right side
    380,105,561.25x = 108,195,573,673,466,272
  5. Step 5: Solve for x
    x = 108,195,573,673,466,272/380,105,561.25
  6. Step 6: Final answer
    x = 284,646,121.25

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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.