Finding the Fourth Proportional to 334,430,497.70, 502,023,660.15 and 198,192,644.90
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Solution
The fourth proportional to 334,430,497.70, 502,023,660.15 and 198,192,644.90 is: 297,512,929.27
Step by Step Solution
- Step 1: Write the proportion equation
334,430,497.70 : 502,023,660.15 = 198,192,644.90 : x - Step 2: Convert to fraction form
334,430,497.70/502,023,660.15 = 198,192,644.90/x - Step 3: Cross multiply
334,430,497.70x = 502,023,660.15 × 198,192,644.90 - Step 4: Simplify right side
334,430,497.70x = 99,497,397,007,507,232 - Step 5: Solve for x
x = 99,497,397,007,507,232/334,430,497.70 - Step 6: Final answer
x = 297,512,929.27
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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.