Finding the Fourth Proportional to 410,432,986.42, 566,398,067.46 and 222,261,605.08
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Solution
The fourth proportional to 410,432,986.42, 566,398,067.46 and 222,261,605.08 is: 306,721,310.79
Step by Step Solution
- Step 1: Write the proportion equation
410,432,986.42 : 566,398,067.46 = 222,261,605.08 : x - Step 2: Convert to fraction form
410,432,986.42/566,398,067.46 = 222,261,605.08/x - Step 3: Cross multiply
410,432,986.42x = 566,398,067.46 × 222,261,605.08 - Step 4: Simplify right side
410,432,986.42x = 125,888,543,587,869,728 - Step 5: Solve for x
x = 125,888,543,587,869,728/410,432,986.42 - Step 6: Final answer
x = 306,721,310.79
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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.