Finding the Fourth Proportional to 18,649,283,447.93, 27,988,431,490.44 and 13,016,628,447.17
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Solution
The fourth proportional to 18,649,283,447.93, 27,988,431,490.44 and 13,016,628,447.17 is: 19,535,067,636.63
Step by Step Solution
- Step 1: Write the proportion equation
18,649,283,447.93 : 27,988,431,490.44 = 13,016,628,447.17 : x - Step 2: Convert to fraction form
18,649,283,447.93/27,988,431,490.44 = 13,016,628,447.17/x - Step 3: Cross multiply
18,649,283,447.93x = 27,988,431,490.44 × 13,016,628,447.17 - Step 4: Simplify right side
18,649,283,447.93x = 364,315,013,529,990,004,736 - Step 5: Solve for x
x = 364,315,013,529,990,004,736/18,649,283,447.93 - Step 6: Final answer
x = 19,535,067,636.63
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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.