Finding the Fourth Proportional to 265,220,846.80, 397,831,270.20 and 222,174,125.80
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Solution
The fourth proportional to 265,220,846.80, 397,831,270.20 and 222,174,125.80 is: 333,261,188.70
Step by Step Solution
- Step 1: Write the proportion equation
265,220,846.80 : 397,831,270.20 = 222,174,125.80 : x - Step 2: Convert to fraction form
265,220,846.80/397,831,270.20 = 222,174,125.80/x - Step 3: Cross multiply
265,220,846.80x = 397,831,270.20 × 222,174,125.80 - Step 4: Simplify right side
265,220,846.80x = 88,387,814,672,588,592 - Step 5: Solve for x
x = 88,387,814,672,588,592/265,220,846.80 - Step 6: Final answer
x = 333,261,188.70
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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.