Finding the Fourth Proportional to 543,968,791.92, 750,798,094.08 and 345,691,624.88
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Solution
The fourth proportional to 543,968,791.92, 750,798,094.08 and 345,691,624.88 is: 477,131,440.18
Step by Step Solution
- Step 1: Write the proportion equation
543,968,791.92 : 750,798,094.08 = 345,691,624.88 : x - Step 2: Convert to fraction form
543,968,791.92/750,798,094.08 = 345,691,624.88/x - Step 3: Cross multiply
543,968,791.92x = 750,798,094.08 × 345,691,624.88 - Step 4: Simplify right side
543,968,791.92x = 259,544,613,099,322,304 - Step 5: Solve for x
x = 259,544,613,099,322,304/543,968,791.92 - Step 6: Final answer
x = 477,131,440.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.