Finding the Fourth Proportional to 327,723,773.20, 491,585,659.80 and 174,668,765.20
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Solution
The fourth proportional to 327,723,773.20, 491,585,659.80 and 174,668,765.20 is: 262,003,147.80
Step by Step Solution
- Step 1: Write the proportion equation
327,723,773.20 : 491,585,659.80 = 174,668,765.20 : x - Step 2: Convert to fraction form
327,723,773.20/491,585,659.80 = 174,668,765.20/x - Step 3: Cross multiply
327,723,773.20x = 491,585,659.80 × 174,668,765.20 - Step 4: Simplify right side
327,723,773.20x = 85,864,660,187,293,280 - Step 5: Solve for x
x = 85,864,660,187,293,280/327,723,773.20 - Step 6: Final answer
x = 262,003,147.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.