Finding the Fourth Proportional to 3,821,598,791.80, 5,729,733,005 and 1,693,286,918.62
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Solution
The fourth proportional to 3,821,598,791.80, 5,729,733,005 and 1,693,286,918.62 is: 2,538,749,479.76
Step by Step Solution
- Step 1: Write the proportion equation
3,821,598,791.80 : 5,729,733,005 = 1,693,286,918.62 : x - Step 2: Convert to fraction form
3,821,598,791.80/5,729,733,005 = 1,693,286,918.62/x - Step 3: Cross multiply
3,821,598,791.80x = 5,729,733,005 × 1,693,286,918.62 - Step 4: Simplify right side
3,821,598,791.80x = 9,702,081,944,551,761,920 - Step 5: Solve for x
x = 9,702,081,944,551,761,920/3,821,598,791.80 - Step 6: Final answer
x = 2,538,749,479.76
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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.