Finding the Fourth Proportional to 1,799,409,169.25, 2,699,232,186.20 and 471,469,724.82
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Solution
The fourth proportional to 1,799,409,169.25, 2,699,232,186.20 and 471,469,724.82 is: 707,235,618.11
Step by Step Solution
- Step 1: Write the proportion equation
1,799,409,169.25 : 2,699,232,186.20 = 471,469,724.82 : x - Step 2: Convert to fraction form
1,799,409,169.25/2,699,232,186.20 = 471,469,724.82/x - Step 3: Cross multiply
1,799,409,169.25x = 2,699,232,186.20 × 471,469,724.82 - Step 4: Simplify right side
1,799,409,169.25x = 1,272,606,256,053,000,960 - Step 5: Solve for x
x = 1,272,606,256,053,000,960/1,799,409,169.25 - Step 6: Final answer
x = 707,235,618.11
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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.