Finding the Fourth Proportional to 6,619,889,001.48, 9,135,510,236.84 and 3,649,771,773.96
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Solution
The fourth proportional to 6,619,889,001.48, 9,135,510,236.84 and 3,649,771,773.96 is: 5,036,720,010.82
Step by Step Solution
- Step 1: Write the proportion equation
6,619,889,001.48 : 9,135,510,236.84 = 3,649,771,773.96 : x - Step 2: Convert to fraction form
6,619,889,001.48/9,135,510,236.84 = 3,649,771,773.96/x - Step 3: Cross multiply
6,619,889,001.48x = 9,135,510,236.84 × 3,649,771,773.96 - Step 4: Simplify right side
6,619,889,001.48x = 33,342,527,403,141,267,456 - Step 5: Solve for x
x = 33,342,527,403,141,267,456/6,619,889,001.48 - Step 6: Final answer
x = 5,036,720,010.82
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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.