Finding the Fourth Proportional to 363,806,231.10, 502,053,905.88 and 198,793,800.60
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Solution
The fourth proportional to 363,806,231.10, 502,053,905.88 and 198,793,800.60 is: 274,336,158.99
Step by Step Solution
- Step 1: Write the proportion equation
363,806,231.10 : 502,053,905.88 = 198,793,800.60 : x - Step 2: Convert to fraction form
363,806,231.10/502,053,905.88 = 198,793,800.60/x - Step 3: Cross multiply
363,806,231.10x = 502,053,905.88 × 198,793,800.60 - Step 4: Simplify right side
363,806,231.10x = 99,805,204,055,959,888 - Step 5: Solve for x
x = 99,805,204,055,959,888/363,806,231.10 - Step 6: Final answer
x = 274,336,158.99
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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.