Finding the Fourth Proportional to 256,609,593.60, 385,481,260.80 and 246,972,796.80
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Solution
The fourth proportional to 256,609,593.60, 385,481,260.80 and 246,972,796.80 is: 371,004,777.17
Step by Step Solution
- Step 1: Write the proportion equation
256,609,593.60 : 385,481,260.80 = 246,972,796.80 : x - Step 2: Convert to fraction form
256,609,593.60/385,481,260.80 = 246,972,796.80/x - Step 3: Cross multiply
256,609,593.60x = 385,481,260.80 × 246,972,796.80 - Step 4: Simplify right side
256,609,593.60x = 95,203,385,093,766,208 - Step 5: Solve for x
x = 95,203,385,093,766,208/256,609,593.60 - Step 6: Final answer
x = 371,004,777.17
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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.