Finding the Fourth Proportional to 4,908,821,838.97, 6,774,194,826 and 2,765,454,216.70
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Solution
The fourth proportional to 4,908,821,838.97, 6,774,194,826 and 2,765,454,216.70 is: 3,816,338,474.05
Step by Step Solution
- Step 1: Write the proportion equation
4,908,821,838.97 : 6,774,194,826 = 2,765,454,216.70 : x - Step 2: Convert to fraction form
4,908,821,838.97/6,774,194,826 = 2,765,454,216.70/x - Step 3: Cross multiply
4,908,821,838.97x = 6,774,194,826 × 2,765,454,216.70 - Step 4: Simplify right side
4,908,821,838.97x = 18,733,725,646,309,019,648 - Step 5: Solve for x
x = 18,733,725,646,309,019,648/4,908,821,838.97 - Step 6: Final answer
x = 3,816,338,474.05
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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.