Finding the Fourth Proportional to 362,448,207.80, 543,672,311.70 and 362,448,207.80
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Solution
The fourth proportional to 362,448,207.80, 543,672,311.70 and 362,448,207.80 is: 543,672,311.70
Step by Step Solution
- Step 1: Write the proportion equation
362,448,207.80 : 543,672,311.70 = 362,448,207.80 : x - Step 2: Convert to fraction form
362,448,207.80/543,672,311.70 = 362,448,207.80/x - Step 3: Cross multiply
362,448,207.80x = 543,672,311.70 × 362,448,207.80 - Step 4: Simplify right side
362,448,207.80x = 197,053,055,006,148,000 - Step 5: Solve for x
x = 197,053,055,006,148,000/362,448,207.80 - Step 6: Final answer
x = 543,672,311.70
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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.