Finding the Fourth Proportional to 3,971,832,454.62, 5,481,128,527.56 and 2,302,050,147.12
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Solution
The fourth proportional to 3,971,832,454.62, 5,481,128,527.56 and 2,302,050,147.12 is: 3,176,829,052.44
Step by Step Solution
- Step 1: Write the proportion equation
3,971,832,454.62 : 5,481,128,527.56 = 2,302,050,147.12 : x - Step 2: Convert to fraction form
3,971,832,454.62/5,481,128,527.56 = 2,302,050,147.12/x - Step 3: Cross multiply
3,971,832,454.62x = 5,481,128,527.56 × 2,302,050,147.12 - Step 4: Simplify right side
3,971,832,454.62x = 12,617,832,733,253,128,192 - Step 5: Solve for x
x = 12,617,832,733,253,128,192/3,971,832,454.62 - Step 6: Final answer
x = 3,176,829,052.44
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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.