Finding the Fourth Proportional to 5,154,672,663.11, 7,728,844,640.76 and 2,003,207,563.97
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Solution
The fourth proportional to 5,154,672,663.11, 7,728,844,640.76 and 2,003,207,563.97 is: 3,003,581,615.56
Step by Step Solution
- Step 1: Write the proportion equation
5,154,672,663.11 : 7,728,844,640.76 = 2,003,207,563.97 : x - Step 2: Convert to fraction form
5,154,672,663.11/7,728,844,640.76 = 2,003,207,563.97/x - Step 3: Cross multiply
5,154,672,663.11x = 7,728,844,640.76 × 2,003,207,563.97 - Step 4: Simplify right side
5,154,672,663.11x = 15,482,480,045,109,413,888 - Step 5: Solve for x
x = 15,482,480,045,109,413,888/5,154,672,663.11 - Step 6: Final answer
x = 3,003,581,615.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.