Finding the Fourth Proportional to 5,410,365,915.05, 8,115,548,872.58 and 5,410,365,915.05
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Solution
The fourth proportional to 5,410,365,915.05, 8,115,548,872.58 and 5,410,365,915.05 is: 8,115,548,872.58
Step by Step Solution
- Step 1: Write the proportion equation
5,410,365,915.05 : 8,115,548,872.58 = 5,410,365,915.05 : x - Step 2: Convert to fraction form
5,410,365,915.05/8,115,548,872.58 = 5,410,365,915.05/x - Step 3: Cross multiply
5,410,365,915.05x = 8,115,548,872.58 × 5,410,365,915.05 - Step 4: Simplify right side
5,410,365,915.05x = 43,908,089,002,129,285,120 - Step 5: Solve for x
x = 43,908,089,002,129,285,120/5,410,365,915.05 - Step 6: Final answer
x = 8,115,548,872.58
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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.