Home / 539,036,636.72-743,877,786.31-304,086,570.62

Finding the Fourth Proportional to 539,036,636.72, 743,877,786.31 and 304,086,570.62

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Solution

The fourth proportional to 539,036,636.72, 743,877,786.31 and 304,086,570.62 is: 419,643,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,036,636.72 : 743,877,786.31 = 304,086,570.62 : x
  2. Step 2: Convert to fraction form
    539,036,636.72/743,877,786.31 = 304,086,570.62/x
  3. Step 3: Cross multiply
    539,036,636.72x = 743,877,786.31 × 304,086,570.62
  4. Step 4: Simplify right side
    539,036,636.72x = 226,203,245,001,108,544
  5. Step 5: Solve for x
    x = 226,203,245,001,108,544/539,036,636.72
  6. Step 6: Final answer
    x = 419,643,544.78

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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.