Finding the Fourth Proportional to 414,374,505.42, 571,850,351.73 and 226,212,832.20
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Solution
The fourth proportional to 414,374,505.42, 571,850,351.73 and 226,212,832.20 is: 312,181,096.97
Step by Step Solution
- Step 1: Write the proportion equation
414,374,505.42 : 571,850,351.73 = 226,212,832.20 : x - Step 2: Convert to fraction form
414,374,505.42/571,850,351.73 = 226,212,832.20/x - Step 3: Cross multiply
414,374,505.42x = 571,850,351.73 × 226,212,832.20 - Step 4: Simplify right side
414,374,505.42x = 129,359,887,659,409,472 - Step 5: Solve for x
x = 129,359,887,659,409,472/414,374,505.42 - Step 6: Final answer
x = 312,181,096.97
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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.