Finding the Fourth Proportional to 416,409,905.27, 574,707,344.97 and 263,660,618.66
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Solution
The fourth proportional to 416,409,905.27, 574,707,344.97 and 263,660,618.66 is: 363,890,705.30
Step by Step Solution
- Step 1: Write the proportion equation
416,409,905.27 : 574,707,344.97 = 263,660,618.66 : x - Step 2: Convert to fraction form
416,409,905.27/574,707,344.97 = 263,660,618.66/x - Step 3: Cross multiply
416,409,905.27x = 574,707,344.97 × 263,660,618.66 - Step 4: Simplify right side
416,409,905.27x = 151,527,694,119,867,008 - Step 5: Solve for x
x = 151,527,694,119,867,008/416,409,905.27 - Step 6: Final answer
x = 363,890,705.30
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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.