Finding the Fourth Proportional to 18,336,156,745.70, 27,504,235,118.55 and 18,336,156,745.70
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Solution
The fourth proportional to 18,336,156,745.70, 27,504,235,118.55 and 18,336,156,745.70 is: 27,504,235,118.55
Step by Step Solution
- Step 1: Write the proportion equation
18,336,156,745.70 : 27,504,235,118.55 = 18,336,156,745.70 : x - Step 2: Convert to fraction form
18,336,156,745.70/27,504,235,118.55 = 18,336,156,745.70/x - Step 3: Cross multiply
18,336,156,745.70x = 27,504,235,118.55 × 18,336,156,745.70 - Step 4: Simplify right side
18,336,156,745.70x = 504,321,966,304,319,438,848 - Step 5: Solve for x
x = 504,321,966,304,319,438,848/18,336,156,745.70 - Step 6: Final answer
x = 27,504,235,118.55
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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.