Finding the Fourth Proportional to 3,651,203,628.91, 5,475,409,344.24 and 1,992,224,198.68
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Solution
The fourth proportional to 3,651,203,628.91, 5,475,409,344.24 and 1,992,224,198.68 is: 2,987,574,537.58
Step by Step Solution
- Step 1: Write the proportion equation
3,651,203,628.91 : 5,475,409,344.24 = 1,992,224,198.68 : x - Step 2: Convert to fraction form
3,651,203,628.91/5,475,409,344.24 = 1,992,224,198.68/x - Step 3: Cross multiply
3,651,203,628.91x = 5,475,409,344.24 × 1,992,224,198.68 - Step 4: Simplify right side
3,651,203,628.91x = 10,908,242,993,263,812,608 - Step 5: Solve for x
x = 10,908,242,993,263,812,608/3,651,203,628.91 - Step 6: Final answer
x = 2,987,574,537.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.