Finding the Fourth Proportional to 3,244,819,845.36, 4,866,548,674.50 and 915,212,031.24
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Solution
The fourth proportional to 3,244,819,845.36, 4,866,548,674.50 and 915,212,031.24 is: 1,372,625,942.20
Step by Step Solution
- Step 1: Write the proportion equation
3,244,819,845.36 : 4,866,548,674.50 = 915,212,031.24 : x - Step 2: Convert to fraction form
3,244,819,845.36/4,866,548,674.50 = 915,212,031.24/x - Step 3: Cross multiply
3,244,819,845.36x = 4,866,548,674.50 × 915,212,031.24 - Step 4: Simplify right side
3,244,819,845.36x = 4,453,923,897,517,474,816 - Step 5: Solve for x
x = 4,453,923,897,517,474,816/3,244,819,845.36 - Step 6: Final answer
x = 1,372,625,942.20
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1.5x scale
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.