Finding the Fourth Proportional to 1,631,543,138,592.50, 2,251,536,531,076.90 and 889,966,135,239.11
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Solution
The fourth proportional to 1,631,543,138,592.50, 2,251,536,531,076.90 and 889,966,135,239.11 is: 1,228,157,084,856.99
Step by Step Solution
- Step 1: Write the proportion equation
1,631,543,138,592.50 : 2,251,536,531,076.90 = 889,966,135,239.11 : x - Step 2: Convert to fraction form
1,631,543,138,592.50/2,251,536,531,076.90 = 889,966,135,239.11/x - Step 3: Cross multiply
1,631,543,138,592.50x = 2,251,536,531,076.90 × 889,966,135,239.11 - Step 4: Simplify right side
1,631,543,138,592.50x = 2,003,791,264,912,180,982,579,200 - Step 5: Solve for x
x = 2,003,791,264,912,180,982,579,200/1,631,543,138,592.50 - Step 6: Final answer
x = 1,228,157,084,856.99
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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.