Finding the Fourth Proportional to 4,093,543,439.36, 5,649,089,906.40 and 2,213,948,669.12
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Solution
The fourth proportional to 4,093,543,439.36, 5,649,089,906.40 and 2,213,948,669.12 is: 3,055,249,141.80
Step by Step Solution
- Step 1: Write the proportion equation
4,093,543,439.36 : 5,649,089,906.40 = 2,213,948,669.12 : x - Step 2: Convert to fraction form
4,093,543,439.36/5,649,089,906.40 = 2,213,948,669.12/x - Step 3: Cross multiply
4,093,543,439.36x = 5,649,089,906.40 × 2,213,948,669.12 - Step 4: Simplify right side
4,093,543,439.36x = 12,506,795,080,013,504,512 - Step 5: Solve for x
x = 12,506,795,080,013,504,512/4,093,543,439.36 - Step 6: Final answer
x = 3,055,249,141.80
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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.