Finding the Fourth Proportional to 1,161,474,286.08, 1,602,490,665.36 and 691,198,602.24
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Solution
The fourth proportional to 1,161,474,286.08, 1,602,490,665.36 and 691,198,602.24 is: 953,649,444.74
Step by Step Solution
- Step 1: Write the proportion equation
1,161,474,286.08 : 1,602,490,665.36 = 691,198,602.24 : x - Step 2: Convert to fraction form
1,161,474,286.08/1,602,490,665.36 = 691,198,602.24/x - Step 3: Cross multiply
1,161,474,286.08x = 1,602,490,665.36 × 691,198,602.24 - Step 4: Simplify right side
1,161,474,286.08x = 1,107,639,307,999,479,552 - Step 5: Solve for x
x = 1,107,639,307,999,479,552/1,161,474,286.08 - Step 6: Final answer
x = 953,649,444.74
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1.5x scale
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.