Finding the Fourth Proportional to 8,857,326,772.40, 13,286,147,622.60 and 2,646,568,698.80
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Solution
The fourth proportional to 8,857,326,772.40, 13,286,147,622.60 and 2,646,568,698.80 is: 3,969,900,098.43
Step by Step Solution
- Step 1: Write the proportion equation
8,857,326,772.40 : 13,286,147,622.60 = 2,646,568,698.80 : x - Step 2: Convert to fraction form
8,857,326,772.40/13,286,147,622.60 = 2,646,568,698.80/x - Step 3: Cross multiply
8,857,326,772.40x = 13,286,147,622.60 × 2,646,568,698.80 - Step 4: Simplify right side
8,857,326,772.40x = 35,162,702,425,609,199,616 - Step 5: Solve for x
x = 35,162,702,425,609,199,616/8,857,326,772.40 - Step 6: Final answer
x = 3,969,900,098.43
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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.