Finding the Fourth Proportional to 5,633,271,872.40, 8,449,907,808.60 and 5,394,430,477.20
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Solution
The fourth proportional to 5,633,271,872.40, 8,449,907,808.60 and 5,394,430,477.20 is: 8,091,645,715.80
Step by Step Solution
- Step 1: Write the proportion equation
5,633,271,872.40 : 8,449,907,808.60 = 5,394,430,477.20 : x - Step 2: Convert to fraction form
5,633,271,872.40/8,449,907,808.60 = 5,394,430,477.20/x - Step 3: Cross multiply
5,633,271,872.40x = 8,449,907,808.60 × 5,394,430,477.20 - Step 4: Simplify right side
5,633,271,872.40x = 45,582,440,212,242,104,320 - Step 5: Solve for x
x = 45,582,440,212,242,104,320/5,633,271,872.40 - Step 6: Final answer
x = 8,091,645,715.80
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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.