Home / 725,957,940.29-1,088,670,110.67-259,493,491.26

Finding the Fourth Proportional to 725,957,940.29, 1,088,670,110.67 and 259,493,491.26

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Solution

The fourth proportional to 725,957,940.29, 1,088,670,110.67 and 259,493,491.26 is: 389,144,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,957,940.29 : 1,088,670,110.67 = 259,493,491.26 : x
  2. Step 2: Convert to fraction form
    725,957,940.29/1,088,670,110.67 = 259,493,491.26/x
  3. Step 3: Cross multiply
    725,957,940.29x = 1,088,670,110.67 × 259,493,491.26
  4. Step 4: Simplify right side
    725,957,940.29x = 282,502,807,848,168,896
  5. Step 5: Solve for x
    x = 282,502,807,848,168,896/725,957,940.29
  6. Step 6: Final answer
    x = 389,144,869.38

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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.