Finding the Fourth Proportional to 8,453,098,163.10, 12,679,647,244.65 and 7,677,619,455.90
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Solution
The fourth proportional to 8,453,098,163.10, 12,679,647,244.65 and 7,677,619,455.90 is: 11,516,429,183.85
Step by Step Solution
- Step 1: Write the proportion equation
8,453,098,163.10 : 12,679,647,244.65 = 7,677,619,455.90 : x - Step 2: Convert to fraction form
8,453,098,163.10/12,679,647,244.65 = 7,677,619,455.90/x - Step 3: Cross multiply
8,453,098,163.10x = 12,679,647,244.65 × 7,677,619,455.90 - Step 4: Simplify right side
8,453,098,163.10x = 97,349,506,379,473,666,048 - Step 5: Solve for x
x = 97,349,506,379,473,666,048/8,453,098,163.10 - Step 6: Final answer
x = 11,516,429,183.85
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Double scale
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Similar ratio
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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.