Finding the Fourth Proportional to 1,799,409,174.26, 2,699,232,193.72 and 471,469,729.82
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Solution
The fourth proportional to 1,799,409,174.26, 2,699,232,193.72 and 471,469,729.82 is: 707,235,625.61
Step by Step Solution
- Step 1: Write the proportion equation
1,799,409,174.26 : 2,699,232,193.72 = 471,469,729.82 : x - Step 2: Convert to fraction form
1,799,409,174.26/2,699,232,193.72 = 471,469,729.82/x - Step 3: Cross multiply
1,799,409,174.26x = 2,699,232,193.72 × 471,469,729.82 - Step 4: Simplify right side
1,799,409,174.26x = 1,272,606,273,094,614,272 - Step 5: Solve for x
x = 1,272,606,273,094,614,272/1,799,409,174.26 - Step 6: Final answer
x = 707,235,625.61
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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.