Finding the Fourth Proportional to 364,622,181.68, 503,178,635.28 and 199,609,751.18
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Solution
The fourth proportional to 364,622,181.68, 503,178,635.28 and 199,609,751.18 is: 275,461,470.08
Step by Step Solution
- Step 1: Write the proportion equation
364,622,181.68 : 503,178,635.28 = 199,609,751.18 : x - Step 2: Convert to fraction form
364,622,181.68/503,178,635.28 = 199,609,751.18/x - Step 3: Cross multiply
364,622,181.68x = 503,178,635.28 × 199,609,751.18 - Step 4: Simplify right side
364,622,181.68x = 100,439,362,188,590,720 - Step 5: Solve for x
x = 100,439,362,188,590,720/364,622,181.68 - Step 6: Final answer
x = 275,461,470.08
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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.