Finding the Fourth Proportional to 1,489,220,673.21, 2,055,347,954.24 and 1,131,399,629.97
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Solution
The fourth proportional to 1,489,220,673.21, 2,055,347,954.24 and 1,131,399,629.97 is: 1,561,501,231.29
Step by Step Solution
- Step 1: Write the proportion equation
1,489,220,673.21 : 2,055,347,954.24 = 1,131,399,629.97 : x - Step 2: Convert to fraction form
1,489,220,673.21/2,055,347,954.24 = 1,131,399,629.97/x - Step 3: Cross multiply
1,489,220,673.21x = 2,055,347,954.24 × 1,131,399,629.97 - Step 4: Simplify right side
1,489,220,673.21x = 2,325,419,914,873,265,152 - Step 5: Solve for x
x = 2,325,419,914,873,265,152/1,489,220,673.21 - Step 6: Final answer
x = 1,561,501,231.29
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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.