Finding the Fourth Proportional to 538,471,440.73, 807,790,672.35 and 227,580,365.62
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Solution
The fourth proportional to 538,471,440.73, 807,790,672.35 and 227,580,365.62 is: 341,405,843.75
Step by Step Solution
- Step 1: Write the proportion equation
538,471,440.73 : 807,790,672.35 = 227,580,365.62 : x - Step 2: Convert to fraction form
538,471,440.73/807,790,672.35 = 227,580,365.62/x - Step 3: Cross multiply
538,471,440.73x = 807,790,672.35 × 227,580,365.62 - Step 4: Simplify right side
538,471,440.73x = 183,837,296,557,838,624 - Step 5: Solve for x
x = 183,837,296,557,838,624/538,471,440.73 - Step 6: Final answer
x = 341,405,843.75
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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.