Finding the Fourth Proportional to 3,555,708,571.50, 5,332,432,396.95 and 3,323,578,554.42
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Solution
The fourth proportional to 3,555,708,571.50, 5,332,432,396.95 and 3,323,578,554.42 is: 4,984,311,172.03
Step by Step Solution
- Step 1: Write the proportion equation
3,555,708,571.50 : 5,332,432,396.95 = 3,323,578,554.42 : x - Step 2: Convert to fraction form
3,555,708,571.50/5,332,432,396.95 = 3,323,578,554.42/x - Step 3: Cross multiply
3,555,708,571.50x = 5,332,432,396.95 × 3,323,578,554.42 - Step 4: Simplify right side
3,555,708,571.50x = 17,722,757,957,397,456,896 - Step 5: Solve for x
x = 17,722,757,957,397,456,896/3,555,708,571.50 - Step 6: Final answer
x = 4,984,311,172.03
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1.5x scale
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.