Home / 380,105,792.64-524,545,993.80-206,265,536.64

Finding the Fourth Proportional to 380,105,792.64, 524,545,993.80 and 206,265,536.64

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Solution

The fourth proportional to 380,105,792.64, 524,545,993.80 and 206,265,536.64 is: 284,646,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105,792.64 : 524,545,993.80 = 206,265,536.64 : x
  2. Step 2: Convert to fraction form
    380,105,792.64/524,545,993.80 = 206,265,536.64/x
  3. Step 3: Cross multiply
    380,105,792.64x = 524,545,993.80 × 206,265,536.64
  4. Step 4: Simplify right side
    380,105,792.64x = 108,195,760,903,519,104
  5. Step 5: Solve for x
    x = 108,195,760,903,519,104/380,105,792.64
  6. Step 6: Final answer
    x = 284,646,440.54

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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.