Finding the Fourth Proportional to 3,217,205,221.20, 4,825,807,831.80 and 2,278,467,838.80
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Solution
The fourth proportional to 3,217,205,221.20, 4,825,807,831.80 and 2,278,467,838.80 is: 3,417,701,758.20
Step by Step Solution
- Step 1: Write the proportion equation
3,217,205,221.20 : 4,825,807,831.80 = 2,278,467,838.80 : x - Step 2: Convert to fraction form
3,217,205,221.20/4,825,807,831.80 = 2,278,467,838.80/x - Step 3: Cross multiply
3,217,205,221.20x = 4,825,807,831.80 × 2,278,467,838.80 - Step 4: Simplify right side
3,217,205,221.20x = 10,995,447,940,985,460,736 - Step 5: Solve for x
x = 10,995,447,940,985,460,736/3,217,205,221.20 - Step 6: Final answer
x = 3,417,701,758.20
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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.