Finding the Fourth Proportional to 3,984,080,447.20, 5,976,120,670.80 and 3,929,660,888.80
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Solution
The fourth proportional to 3,984,080,447.20, 5,976,120,670.80 and 3,929,660,888.80 is: 5,894,491,333.20
Step by Step Solution
- Step 1: Write the proportion equation
3,984,080,447.20 : 5,976,120,670.80 = 3,929,660,888.80 : x - Step 2: Convert to fraction form
3,984,080,447.20/5,976,120,670.80 = 3,929,660,888.80/x - Step 3: Cross multiply
3,984,080,447.20x = 5,976,120,670.80 × 3,929,660,888.80 - Step 4: Simplify right side
3,984,080,447.20x = 23,484,127,666,791,981,056 - Step 5: Solve for x
x = 23,484,127,666,791,981,056/3,984,080,447.20 - Step 6: Final answer
x = 5,894,491,333.20
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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.