Finding the Fourth Proportional to 8,481,024,229.70, 12,721,536,344.55 and 4,807,704,037.70
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Solution
The fourth proportional to 8,481,024,229.70, 12,721,536,344.55 and 4,807,704,037.70 is: 7,211,556,056.55
Step by Step Solution
- Step 1: Write the proportion equation
8,481,024,229.70 : 12,721,536,344.55 = 4,807,704,037.70 : x - Step 2: Convert to fraction form
8,481,024,229.70/12,721,536,344.55 = 4,807,704,037.70/x - Step 3: Cross multiply
8,481,024,229.70x = 12,721,536,344.55 × 4,807,704,037.70 - Step 4: Simplify right side
8,481,024,229.70x = 61,161,381,649,440,325,632 - Step 5: Solve for x
x = 61,161,381,649,440,325,632/8,481,024,229.70 - Step 6: Final answer
x = 7,211,556,056.55
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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.