Finding the Fourth Proportional to 299,393,335.45, 413,567,194.12 and 225,611,609.95
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Solution
The fourth proportional to 299,393,335.45, 413,567,194.12 and 225,611,609.95 is: 311,648,755.80
Step by Step Solution
- Step 1: Write the proportion equation
299,393,335.45 : 413,567,194.12 = 225,611,609.95 : x - Step 2: Convert to fraction form
299,393,335.45/413,567,194.12 = 225,611,609.95/x - Step 3: Cross multiply
299,393,335.45x = 413,567,194.12 × 225,611,609.95 - Step 4: Simplify right side
299,393,335.45x = 93,305,560,487,870,304 - Step 5: Solve for x
x = 93,305,560,487,870,304/299,393,335.45 - Step 6: Final answer
x = 311,648,755.80
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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.