Finding the Fourth Proportional to 326,670,157, 450,799,115.79 and 177,992,508.75
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Solution
The fourth proportional to 326,670,157, 450,799,115.79 and 177,992,508.75 is: 245,626,555.85
Step by Step Solution
- Step 1: Write the proportion equation
326,670,157 : 450,799,115.79 = 177,992,508.75 : x - Step 2: Convert to fraction form
326,670,157/450,799,115.79 = 177,992,508.75/x - Step 3: Cross multiply
326,670,157x = 450,799,115.79 × 177,992,508.75 - Step 4: Simplify right side
326,670,157x = 80,238,865,561,743,840 - Step 5: Solve for x
x = 80,238,865,561,743,840/326,670,157 - Step 6: Final answer
x = 245,626,555.85
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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.