Finding the Fourth Proportional to 4,898,279,351.16, 6,759,430,805.61 and 2,891,760,843.96
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Solution
The fourth proportional to 4,898,279,351.16, 6,759,430,805.61 and 2,891,760,843.96 is: 3,990,515,021.67
Step by Step Solution
- Step 1: Write the proportion equation
4,898,279,351.16 : 6,759,430,805.61 = 2,891,760,843.96 : x - Step 2: Convert to fraction form
4,898,279,351.16/6,759,430,805.61 = 2,891,760,843.96/x - Step 3: Cross multiply
4,898,279,351.16x = 6,759,430,805.61 × 2,891,760,843.96 - Step 4: Simplify right side
4,898,279,351.16x = 19,546,657,331,119,996,928 - Step 5: Solve for x
x = 19,546,657,331,119,996,928/4,898,279,351.16 - Step 6: Final answer
x = 3,990,515,021.67
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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.