Finding the Fourth Proportional to 7,344,432,858.40, 11,016,649,287.60 and 4,405,776,704.80
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Solution
The fourth proportional to 7,344,432,858.40, 11,016,649,287.60 and 4,405,776,704.80 is: 6,608,665,057.20
Step by Step Solution
- Step 1: Write the proportion equation
7,344,432,858.40 : 11,016,649,287.60 = 4,405,776,704.80 : x - Step 2: Convert to fraction form
7,344,432,858.40/11,016,649,287.60 = 4,405,776,704.80/x - Step 3: Cross multiply
7,344,432,858.40x = 11,016,649,287.60 × 4,405,776,704.80 - Step 4: Simplify right side
7,344,432,858.40x = 48,536,896,796,259,598,336 - Step 5: Solve for x
x = 48,536,896,796,259,598,336/7,344,432,858.40 - Step 6: Final answer
x = 6,608,665,057.20
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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.