Finding the Fourth Proportional to 293,415,114.80, 440,122,672.20 and 271,244,183.60
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Solution
The fourth proportional to 293,415,114.80, 440,122,672.20 and 271,244,183.60 is: 406,866,275.40
Step by Step Solution
- Step 1: Write the proportion equation
293,415,114.80 : 440,122,672.20 = 271,244,183.60 : x - Step 2: Convert to fraction form
293,415,114.80/440,122,672.20 = 271,244,183.60/x - Step 3: Cross multiply
293,415,114.80x = 440,122,672.20 × 271,244,183.60 - Step 4: Simplify right side
293,415,114.80x = 119,380,714,904,739,424 - Step 5: Solve for x
x = 119,380,714,904,739,424/293,415,114.80 - Step 6: Final answer
x = 406,866,275.40
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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.