Finding the Fourth Proportional to 4,947,548,910.24, 6,827,568,990.29 and 2,689,354,079.23
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Solution
The fourth proportional to 4,947,548,910.24, 6,827,568,990.29 and 2,689,354,079.23 is: 3,711,282,262.87
Step by Step Solution
- Step 1: Write the proportion equation
4,947,548,910.24 : 6,827,568,990.29 = 2,689,354,079.23 : x - Step 2: Convert to fraction form
4,947,548,910.24/6,827,568,990.29 = 2,689,354,079.23/x - Step 3: Cross multiply
4,947,548,910.24x = 6,827,568,990.29 × 2,689,354,079.23 - Step 4: Simplify right side
4,947,548,910.24x = 18,361,750,515,260,663,808 - Step 5: Solve for x
x = 18,361,750,515,260,663,808/4,947,548,910.24 - Step 6: Final answer
x = 3,711,282,262.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.