Finding the Fourth Proportional to 2,080,750,331.51, 3,118,940,674.54 and 700,085,509.19
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Solution
The fourth proportional to 2,080,750,331.51, 3,118,940,674.54 and 700,085,509.19 is: 1,049,393,162.27
Step by Step Solution
- Step 1: Write the proportion equation
2,080,750,331.51 : 3,118,940,674.54 = 700,085,509.19 : x - Step 2: Convert to fraction form
2,080,750,331.51/3,118,940,674.54 = 700,085,509.19/x - Step 3: Cross multiply
2,080,750,331.51x = 3,118,940,674.54 × 700,085,509.19 - Step 4: Simplify right side
2,080,750,331.51x = 2,183,525,170,268,738,048 - Step 5: Solve for x
x = 2,183,525,170,268,738,048/2,080,750,331.51 - Step 6: Final answer
x = 1,049,393,162.27
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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.