Finding the Fourth Proportional to 343,644,660.34, 474,245,247.60 and 202,521,836.86
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Solution
The fourth proportional to 343,644,660.34, 474,245,247.60 and 202,521,836.86 is: 279,489,338.12
Step by Step Solution
- Step 1: Write the proportion equation
343,644,660.34 : 474,245,247.60 = 202,521,836.86 : x - Step 2: Convert to fraction form
343,644,660.34/474,245,247.60 = 202,521,836.86/x - Step 3: Cross multiply
343,644,660.34x = 474,245,247.60 × 202,521,836.86 - Step 4: Simplify right side
343,644,660.34x = 96,045,018,664,891,888 - Step 5: Solve for x
x = 96,045,018,664,891,888/343,644,660.34 - Step 6: Final answer
x = 279,489,338.12
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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.