Finding the Fourth Proportional to 1,757,172,791.29, 2,424,891,799.91 and 964,232,039.96
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Solution
The fourth proportional to 1,757,172,791.29, 2,424,891,799.91 and 964,232,039.96 is: 1,330,636,564.88
Step by Step Solution
- Step 1: Write the proportion equation
1,757,172,791.29 : 2,424,891,799.91 = 964,232,039.96 : x - Step 2: Convert to fraction form
1,757,172,791.29/2,424,891,799.91 = 964,232,039.96/x - Step 3: Cross multiply
1,757,172,791.29x = 2,424,891,799.91 × 964,232,039.96 - Step 4: Simplify right side
1,757,172,791.29x = 2,338,158,366,904,674,816 - Step 5: Solve for x
x = 2,338,158,366,904,674,816/1,757,172,791.29 - Step 6: Final answer
x = 1,330,636,564.88
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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.