Finding the Fourth Proportional to 2,609,536,519.44, 3,914,672,481.29 and 838,313,319.56
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Solution
The fourth proportional to 2,609,536,519.44, 3,914,672,481.29 and 838,313,319.56 is: 1,257,588,103.60
Step by Step Solution
- Step 1: Write the proportion equation
2,609,536,519.44 : 3,914,672,481.29 = 838,313,319.56 : x - Step 2: Convert to fraction form
2,609,536,519.44/3,914,672,481.29 = 838,313,319.56/x - Step 3: Cross multiply
2,609,536,519.44x = 3,914,672,481.29 × 838,313,319.56 - Step 4: Simplify right side
2,609,536,519.44x = 3,281,722,082,762,924,032 - Step 5: Solve for x
x = 3,281,722,082,762,924,032/2,609,536,519.44 - Step 6: Final answer
x = 1,257,588,103.60
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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.