Home / 487,485,933.73-672,731,892.50-264,467,615.38

Finding the Fourth Proportional to 487,485,933.73, 672,731,892.50 and 264,467,615.38

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Solution

The fourth proportional to 487,485,933.73, 672,731,892.50 and 264,467,615.38 is: 364,966,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,933.73 : 672,731,892.50 = 264,467,615.38 : x
  2. Step 2: Convert to fraction form
    487,485,933.73/672,731,892.50 = 264,467,615.38/x
  3. Step 3: Cross multiply
    487,485,933.73x = 672,731,892.50 × 264,467,615.38
  4. Step 4: Simplify right side
    487,485,933.73x = 177,915,799,396,545,344
  5. Step 5: Solve for x
    x = 177,915,799,396,545,344/487,485,933.73
  6. Step 6: Final answer
    x = 364,966,016.63

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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.