Finding the Fourth Proportional to 394,815,786,736.26, 544,845,785,696.08 and 225,843,057,904.26
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Solution
The fourth proportional to 394,815,786,736.26, 544,845,785,696.08 and 225,843,057,904.26 is: 311,663,419,907.90
Step by Step Solution
- Step 1: Write the proportion equation
394,815,786,736.26 : 544,845,785,696.08 = 225,843,057,904.26 : x - Step 2: Convert to fraction form
394,815,786,736.26/544,845,785,696.08 = 225,843,057,904.26/x - Step 3: Cross multiply
394,815,786,736.26x = 544,845,785,696.08 × 225,843,057,904.26 - Step 4: Simplify right side
394,815,786,736.26x = 123,049,638,327,851,837,030,400 - Step 5: Solve for x
x = 123,049,638,327,851,837,030,400/394,815,786,736.26 - Step 6: Final answer
x = 311,663,419,907.90
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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.