Finding the Fourth Proportional to 1,631,543,138,622.10, 2,251,536,531,117.60 and 889,966,135,268.80
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Solution
The fourth proportional to 1,631,543,138,622.10, 2,251,536,531,117.60 and 889,966,135,268.80 is: 1,228,157,084,897.88
Step by Step Solution
- Step 1: Write the proportion equation
1,631,543,138,622.10 : 2,251,536,531,117.60 = 889,966,135,268.80 : x - Step 2: Convert to fraction form
1,631,543,138,622.10/2,251,536,531,117.60 = 889,966,135,268.80/x - Step 3: Cross multiply
1,631,543,138,622.10x = 2,251,536,531,117.60 × 889,966,135,268.80 - Step 4: Simplify right side
1,631,543,138,622.10x = 2,003,791,265,015,250,802,442,240 - Step 5: Solve for x
x = 2,003,791,265,015,250,802,442,240/1,631,543,138,622.10 - Step 6: Final answer
x = 1,228,157,084,897.88
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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.