Finding the Fourth Proportional to 5,347,010,954.82, 7,379,642,451.72 and 3,203,702,257.62
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Solution
The fourth proportional to 5,347,010,954.82, 7,379,642,451.72 and 3,203,702,257.62 is: 4,421,568,869.55
Step by Step Solution
- Step 1: Write the proportion equation
5,347,010,954.82 : 7,379,642,451.72 = 3,203,702,257.62 : x - Step 2: Convert to fraction form
5,347,010,954.82/7,379,642,451.72 = 3,203,702,257.62/x - Step 3: Cross multiply
5,347,010,954.82x = 7,379,642,451.72 × 3,203,702,257.62 - Step 4: Simplify right side
5,347,010,954.82x = 23,642,177,182,966,857,728 - Step 5: Solve for x
x = 23,642,177,182,966,857,728/5,347,010,954.82 - Step 6: Final answer
x = 4,421,568,869.55
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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.