Finding the Fourth Proportional to 8,141,472,080.80, 12,212,208,121.20 and 2,906,990,807.20
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Solution
The fourth proportional to 8,141,472,080.80, 12,212,208,121.20 and 2,906,990,807.20 is: 4,360,486,210.80
Step by Step Solution
- Step 1: Write the proportion equation
8,141,472,080.80 : 12,212,208,121.20 = 2,906,990,807.20 : x - Step 2: Convert to fraction form
8,141,472,080.80/12,212,208,121.20 = 2,906,990,807.20/x - Step 3: Cross multiply
8,141,472,080.80x = 12,212,208,121.20 × 2,906,990,807.20 - Step 4: Simplify right side
8,141,472,080.80x = 35,500,776,743,941,582,848 - Step 5: Solve for x
x = 35,500,776,743,941,582,848/8,141,472,080.80 - Step 6: Final answer
x = 4,360,486,210.80
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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.