Finding the Fourth Proportional to 207,121,477,577.62, 283,751,705,522.42 and 199,377,538,183.30
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Solution
The fourth proportional to 207,121,477,577.62, 283,751,705,522.42 and 199,377,538,183.30 is: 273,142,684,979.02
Step by Step Solution
- Step 1: Write the proportion equation
207,121,477,577.62 : 283,751,705,522.42 = 199,377,538,183.30 : x - Step 2: Convert to fraction form
207,121,477,577.62/283,751,705,522.42 = 199,377,538,183.30/x - Step 3: Cross multiply
207,121,477,577.62x = 283,751,705,522.42 × 199,377,538,183.30 - Step 4: Simplify right side
207,121,477,577.62x = 56,573,716,502,372,786,634,752 - Step 5: Solve for x
x = 56,573,716,502,372,786,634,752/207,121,477,577.62 - Step 6: Final answer
x = 273,142,684,979.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.