Home / 259,166,701,122.65-388,325,531,049.60-138,026,640,021

Finding the Fourth Proportional to 259,166,701,122.65, 388,325,531,049.60 and 138,026,640,021

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Solution

The fourth proportional to 259,166,701,122.65, 388,325,531,049.60 and 138,026,640,021 is: 206,813,869,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,166,701,122.65 : 388,325,531,049.60 = 138,026,640,021 : x
  2. Step 2: Convert to fraction form
    259,166,701,122.65/388,325,531,049.60 = 138,026,640,021/x
  3. Step 3: Cross multiply
    259,166,701,122.65x = 388,325,531,049.60 × 138,026,640,021
  4. Step 4: Simplify right side
    259,166,701,122.65x = 53,599,268,285,146,797,703,168
  5. Step 5: Solve for x
    x = 53,599,268,285,146,797,703,168/259,166,701,122.65
  6. Step 6: Final answer
    x = 206,813,869,424.46

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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.