Finding the Fourth Proportional to 3,716,353,159.20, 5,574,529,738.80 and 2,145,147,842.70
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Solution
The fourth proportional to 3,716,353,159.20, 5,574,529,738.80 and 2,145,147,842.70 is: 3,217,721,764.05
Step by Step Solution
- Step 1: Write the proportion equation
3,716,353,159.20 : 5,574,529,738.80 = 2,145,147,842.70 : x - Step 2: Convert to fraction form
3,716,353,159.20/5,574,529,738.80 = 2,145,147,842.70/x - Step 3: Cross multiply
3,716,353,159.20x = 5,574,529,738.80 × 2,145,147,842.70 - Step 4: Simplify right side
3,716,353,159.20x = 11,958,190,443,253,815,296 - Step 5: Solve for x
x = 11,958,190,443,253,815,296/3,716,353,159.20 - Step 6: Final answer
x = 3,217,721,764.05
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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.