Home / 864,821,496.13-1,297,453,456.49-251,405,721.88

Finding the Fourth Proportional to 864,821,496.13, 1,297,453,456.49 and 251,405,721.88

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Solution

The fourth proportional to 864,821,496.13, 1,297,453,456.49 and 251,405,721.88 is: 377,172,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,821,496.13 : 1,297,453,456.49 = 251,405,721.88 : x
  2. Step 2: Convert to fraction form
    864,821,496.13/1,297,453,456.49 = 251,405,721.88/x
  3. Step 3: Cross multiply
    864,821,496.13x = 1,297,453,456.49 × 251,405,721.88
  4. Step 4: Simplify right side
    864,821,496.13x = 326,187,222,830,068,928
  5. Step 5: Solve for x
    x = 326,187,222,830,068,928/864,821,496.13
  6. Step 6: Final answer
    x = 377,172,889.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.