Finding the Fourth Proportional to 364,622,181.55, 503,178,635.10 and 199,609,751.05
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Solution
The fourth proportional to 364,622,181.55, 503,178,635.10 and 199,609,751.05 is: 275,461,469.89
Step by Step Solution
- Step 1: Write the proportion equation
364,622,181.55 : 503,178,635.10 = 199,609,751.05 : x - Step 2: Convert to fraction form
364,622,181.55/503,178,635.10 = 199,609,751.05/x - Step 3: Cross multiply
364,622,181.55x = 503,178,635.10 × 199,609,751.05 - Step 4: Simplify right side
364,622,181.55x = 100,439,362,085,989,808 - Step 5: Solve for x
x = 100,439,362,085,989,808/364,622,181.55 - Step 6: Final answer
x = 275,461,469.89
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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.