Finding the Fourth Proportional to 467,375,612.76, 644,761,171.26 and 302,416,481.88
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Solution
The fourth proportional to 467,375,612.76, 644,761,171.26 and 302,416,481.88 is: 417,194,221.82
Step by Step Solution
- Step 1: Write the proportion equation
467,375,612.76 : 644,761,171.26 = 302,416,481.88 : x - Step 2: Convert to fraction form
467,375,612.76/644,761,171.26 = 302,416,481.88/x - Step 3: Cross multiply
467,375,612.76x = 644,761,171.26 × 302,416,481.88 - Step 4: Simplify right side
467,375,612.76x = 194,986,405,065,277,376 - Step 5: Solve for x
x = 194,986,405,065,277,376/467,375,612.76 - Step 6: Final answer
x = 417,194,221.82
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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.