Finding the Fourth Proportional to 1,154,339,338.44, 1,592,945,609.13 and 625,691,973.99
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Solution
The fourth proportional to 1,154,339,338.44, 1,592,945,609.13 and 625,691,973.99 is: 863,431,791.19
Step by Step Solution
- Step 1: Write the proportion equation
1,154,339,338.44 : 1,592,945,609.13 = 625,691,973.99 : x - Step 2: Convert to fraction form
1,154,339,338.44/1,592,945,609.13 = 625,691,973.99/x - Step 3: Cross multiply
1,154,339,338.44x = 1,592,945,609.13 × 625,691,973.99 - Step 4: Simplify right side
1,154,339,338.44x = 996,693,282,635,252,736 - Step 5: Solve for x
x = 996,693,282,635,252,736/1,154,339,338.44 - Step 6: Final answer
x = 863,431,791.19
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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.