Finding the Fourth Proportional to 3,966,541,711.20, 5,942,646,205.20 and 3,393,232,783.20
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Solution
The fourth proportional to 3,966,541,711.20, 5,942,646,205.20 and 3,393,232,783.20 is: 5,083,718,611.99
Step by Step Solution
- Step 1: Write the proportion equation
3,966,541,711.20 : 5,942,646,205.20 = 3,393,232,783.20 : x - Step 2: Convert to fraction form
3,966,541,711.20/5,942,646,205.20 = 3,393,232,783.20/x - Step 3: Cross multiply
3,966,541,711.20x = 5,942,646,205.20 × 3,393,232,783.20 - Step 4: Simplify right side
3,966,541,711.20x = 20,164,781,922,443,714,560 - Step 5: Solve for x
x = 20,164,781,922,443,714,560/3,966,541,711.20 - Step 6: Final answer
x = 5,083,718,611.99
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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.