Finding the Fourth Proportional to 331,485,644.20, 497,228,466.30 and 202,345,481.20
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Solution
The fourth proportional to 331,485,644.20, 497,228,466.30 and 202,345,481.20 is: 303,518,221.80
Step by Step Solution
- Step 1: Write the proportion equation
331,485,644.20 : 497,228,466.30 = 202,345,481.20 : x - Step 2: Convert to fraction form
331,485,644.20/497,228,466.30 = 202,345,481.20/x - Step 3: Cross multiply
331,485,644.20x = 497,228,466.30 × 202,345,481.20 - Step 4: Simplify right side
331,485,644.20x = 100,611,933,279,811,488 - Step 5: Solve for x
x = 100,611,933,279,811,488/331,485,644.20 - Step 6: Final answer
x = 303,518,221.80
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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.