Finding the Fourth Proportional to 5,131,649,301.08, 7,081,676,033.46 and 2,784,805,845.08
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Solution
The fourth proportional to 5,131,649,301.08, 7,081,676,033.46 and 2,784,805,845.08 is: 3,843,032,065.11
Step by Step Solution
- Step 1: Write the proportion equation
5,131,649,301.08 : 7,081,676,033.46 = 2,784,805,845.08 : x - Step 2: Convert to fraction form
5,131,649,301.08/7,081,676,033.46 = 2,784,805,845.08/x - Step 3: Cross multiply
5,131,649,301.08x = 7,081,676,033.46 × 2,784,805,845.08 - Step 4: Simplify right side
5,131,649,301.08x = 19,721,092,810,942,357,504 - Step 5: Solve for x
x = 19,721,092,810,942,357,504/5,131,649,301.08 - Step 6: Final answer
x = 3,843,032,065.11
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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.