Finding the Fourth Proportional to 3,192,225,983.28, 4,405,183,497.87 and 1,763,271,479.22
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Solution
The fourth proportional to 3,192,225,983.28, 4,405,183,497.87 and 1,763,271,479.22 is: 2,433,265,834.94
Step by Step Solution
- Step 1: Write the proportion equation
3,192,225,983.28 : 4,405,183,497.87 = 1,763,271,479.22 : x - Step 2: Convert to fraction form
3,192,225,983.28/4,405,183,497.87 = 1,763,271,479.22/x - Step 3: Cross multiply
3,192,225,983.28x = 4,405,183,497.87 × 1,763,271,479.22 - Step 4: Simplify right side
3,192,225,983.28x = 7,767,534,422,524,768,256 - Step 5: Solve for x
x = 7,767,534,422,524,768,256/3,192,225,983.28 - Step 6: Final answer
x = 2,433,265,834.94
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1.5x scale
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.