Finding the Fourth Proportional to 1,631,543,138,593.50, 2,251,536,531,078.30 and 889,966,135,240.11
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Solution
The fourth proportional to 1,631,543,138,593.50, 2,251,536,531,078.30 and 889,966,135,240.11 is: 1,228,157,084,858.38
Step by Step Solution
- Step 1: Write the proportion equation
1,631,543,138,593.50 : 2,251,536,531,078.30 = 889,966,135,240.11 : x - Step 2: Convert to fraction form
1,631,543,138,593.50/2,251,536,531,078.30 = 889,966,135,240.11/x - Step 3: Cross multiply
1,631,543,138,593.50x = 2,251,536,531,078.30 × 889,966,135,240.11 - Step 4: Simplify right side
1,631,543,138,593.50x = 2,003,791,264,915,678,159,699,968 - Step 5: Solve for x
x = 2,003,791,264,915,678,159,699,968/1,631,543,138,593.50 - Step 6: Final answer
x = 1,228,157,084,858.38
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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.