Finding the Fourth Proportional to 3,653,135,629.90, 5,041,327,169.76 and 1,982,384,771.09
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Solution
The fourth proportional to 3,653,135,629.90, 5,041,327,169.76 and 1,982,384,771.09 is: 2,735,690,984.37
Step by Step Solution
- Step 1: Write the proportion equation
3,653,135,629.90 : 5,041,327,169.76 = 1,982,384,771.09 : x - Step 2: Convert to fraction form
3,653,135,629.90/5,041,327,169.76 = 1,982,384,771.09/x - Step 3: Cross multiply
3,653,135,629.90x = 5,041,327,169.76 × 1,982,384,771.09 - Step 4: Simplify right side
3,653,135,629.90x = 9,993,850,207,402,102,784 - Step 5: Solve for x
x = 9,993,850,207,402,102,784/3,653,135,629.90 - Step 6: Final answer
x = 2,735,690,984.37
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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.