Finding the Fourth Proportional to 2,193,543,618.66, 3,027,090,193.76 and 1,253,766,438.72
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Solution
The fourth proportional to 2,193,543,618.66, 3,027,090,193.76 and 1,253,766,438.72 is: 1,730,197,685.44
Step by Step Solution
- Step 1: Write the proportion equation
2,193,543,618.66 : 3,027,090,193.76 = 1,253,766,438.72 : x - Step 2: Convert to fraction form
2,193,543,618.66/3,027,090,193.76 = 1,253,766,438.72/x - Step 3: Cross multiply
2,193,543,618.66x = 3,027,090,193.76 × 1,253,766,438.72 - Step 4: Simplify right side
2,193,543,618.66x = 3,795,264,091,914,710,528 - Step 5: Solve for x
x = 3,795,264,091,914,710,528/2,193,543,618.66 - Step 6: Final answer
x = 1,730,197,685.44
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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.