Finding the Fourth Proportional to 850,744,207.80, 1,276,116,311.70 and 204,511,951.80
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Solution
The fourth proportional to 850,744,207.80, 1,276,116,311.70 and 204,511,951.80 is: 306,767,927.70
Step by Step Solution
- Step 1: Write the proportion equation
850,744,207.80 : 1,276,116,311.70 = 204,511,951.80 : x - Step 2: Convert to fraction form
850,744,207.80/1,276,116,311.70 = 204,511,951.80/x - Step 3: Cross multiply
850,744,207.80x = 1,276,116,311.70 × 204,511,951.80 - Step 4: Simplify right side
850,744,207.80x = 260,981,037,629,584,192 - Step 5: Solve for x
x = 260,981,037,629,584,192/850,744,207.80 - Step 6: Final answer
x = 306,767,927.70
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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.