Finding the Fourth Proportional to 352,497,176.88, 486,424,779.68 and 195,858,927.92
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Solution
The fourth proportional to 352,497,176.88, 486,424,779.68 and 195,858,927.92 is: 270,273,471.99
Step by Step Solution
- Step 1: Write the proportion equation
352,497,176.88 : 486,424,779.68 = 195,858,927.92 : x - Step 2: Convert to fraction form
352,497,176.88/486,424,779.68 = 195,858,927.92/x - Step 3: Cross multiply
352,497,176.88x = 486,424,779.68 × 195,858,927.92 - Step 4: Simplify right side
352,497,176.88x = 95,270,635,861,846,992 - Step 5: Solve for x
x = 95,270,635,861,846,992/352,497,176.88 - Step 6: Final answer
x = 270,273,471.99
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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.