Finding the Fourth Proportional to 45,403,608,544.20, 68,105,412,816.30 and 18,865,305,047.70
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Solution
The fourth proportional to 45,403,608,544.20, 68,105,412,816.30 and 18,865,305,047.70 is: 28,297,957,571.55
Step by Step Solution
- Step 1: Write the proportion equation
45,403,608,544.20 : 68,105,412,816.30 = 18,865,305,047.70 : x - Step 2: Convert to fraction form
45,403,608,544.20/68,105,412,816.30 = 18,865,305,047.70/x - Step 3: Cross multiply
45,403,608,544.20x = 68,105,412,816.30 × 18,865,305,047.70 - Step 4: Simplify right side
45,403,608,544.20x = 1,284,829,388,179,036,700,672 - Step 5: Solve for x
x = 1,284,829,388,179,036,700,672/45,403,608,544.20 - Step 6: Final answer
x = 28,297,957,571.55
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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.