Finding the Fourth Proportional to 405,261,827.24, 559,261,799.97 and 219,622,842.92
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Solution
The fourth proportional to 405,261,827.24, 559,261,799.97 and 219,622,842.92 is: 303,079,782.48
Step by Step Solution
- Step 1: Write the proportion equation
405,261,827.24 : 559,261,799.97 = 219,622,842.92 : x - Step 2: Convert to fraction form
405,261,827.24/559,261,799.97 = 219,622,842.92/x - Step 3: Cross multiply
405,261,827.24x = 559,261,799.97 × 219,622,842.92 - Step 4: Simplify right side
405,261,827.24x = 122,826,666,446,542,336 - Step 5: Solve for x
x = 122,826,666,446,542,336/405,261,827.24 - Step 6: Final answer
x = 303,079,782.48
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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.