Home / 380,105,914.10-524,546,161.50-206,265,658.10

Finding the Fourth Proportional to 380,105,914.10, 524,546,161.50 and 206,265,658.10

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Solution

The fourth proportional to 380,105,914.10, 524,546,161.50 and 206,265,658.10 is: 284,646,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,105,914.10 : 524,546,161.50 = 206,265,658.10 : x
  2. Step 2: Convert to fraction form
    380,105,914.10/524,546,161.50 = 206,265,658.10/x
  3. Step 3: Cross multiply
    380,105,914.10x = 524,546,161.50 × 206,265,658.10
  4. Step 4: Simplify right side
    380,105,914.10x = 108,195,859,205,626,384
  5. Step 5: Solve for x
    x = 108,195,859,205,626,384/380,105,914.10
  6. Step 6: Final answer
    x = 284,646,608.20

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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.