Finding the Fourth Proportional to 8,693,568,271.20, 13,040,352,406.80 and 8,081,348,239.20
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Solution
The fourth proportional to 8,693,568,271.20, 13,040,352,406.80 and 8,081,348,239.20 is: 12,122,022,358.80
Step by Step Solution
- Step 1: Write the proportion equation
8,693,568,271.20 : 13,040,352,406.80 = 8,081,348,239.20 : x - Step 2: Convert to fraction form
8,693,568,271.20/13,040,352,406.80 = 8,081,348,239.20/x - Step 3: Cross multiply
8,693,568,271.20x = 13,040,352,406.80 × 8,081,348,239.20 - Step 4: Simplify right side
8,693,568,271.20x = 105,383,628,961,240,645,632 - Step 5: Solve for x
x = 105,383,628,961,240,645,632/8,693,568,271.20 - Step 6: Final answer
x = 12,122,022,358.80
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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.