Finding the Fourth Proportional to 5,746,509,115.56, 7,930,413,237.60 and 3,206,412,952.20
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Solution
The fourth proportional to 5,746,509,115.56, 7,930,413,237.60 and 3,206,412,952.20 is: 4,424,978,575.69
Step by Step Solution
- Step 1: Write the proportion equation
5,746,509,115.56 : 7,930,413,237.60 = 3,206,412,952.20 : x - Step 2: Convert to fraction form
5,746,509,115.56/7,930,413,237.60 = 3,206,412,952.20/x - Step 3: Cross multiply
5,746,509,115.56x = 7,930,413,237.60 × 3,206,412,952.20 - Step 4: Simplify right side
5,746,509,115.56x = 25,428,179,721,338,974,208 - Step 5: Solve for x
x = 25,428,179,721,338,974,208/5,746,509,115.56 - Step 6: Final answer
x = 4,424,978,575.69
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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.