Finding the Fourth Proportional to 3,405,227,860.46, 4,699,212,368.92 and 1,840,665,556.46
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Solution
The fourth proportional to 3,405,227,860.46, 4,699,212,368.92 and 1,840,665,556.46 is: 2,540,117,344.39
Step by Step Solution
- Step 1: Write the proportion equation
3,405,227,860.46 : 4,699,212,368.92 = 1,840,665,556.46 : x - Step 2: Convert to fraction form
3,405,227,860.46/4,699,212,368.92 = 1,840,665,556.46/x - Step 3: Cross multiply
3,405,227,860.46x = 4,699,212,368.92 × 1,840,665,556.46 - Step 4: Simplify right side
3,405,227,860.46x = 8,649,678,349,961,846,784 - Step 5: Solve for x
x = 8,649,678,349,961,846,784/3,405,227,860.46 - Step 6: Final answer
x = 2,540,117,344.39
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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.