Finding the Fourth Proportional to 305,899,974.24, 458,934,296.40 and 121,796,736.96
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Solution
The fourth proportional to 305,899,974.24, 458,934,296.40 and 121,796,736.96 is: 182,728,684.17
Step by Step Solution
- Step 1: Write the proportion equation
305,899,974.24 : 458,934,296.40 = 121,796,736.96 : x - Step 2: Convert to fraction form
305,899,974.24/458,934,296.40 = 121,796,736.96/x - Step 3: Cross multiply
305,899,974.24x = 458,934,296.40 × 121,796,736.96 - Step 4: Simplify right side
305,899,974.24x = 55,896,699,780,553,472 - Step 5: Solve for x
x = 55,896,699,780,553,472/305,899,974.24 - Step 6: Final answer
x = 182,728,684.17
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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.