Finding the Fourth Proportional to 4,227,278,119.80, 6,340,917,179.70 and 1,465,989,415.80
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Solution
The fourth proportional to 4,227,278,119.80, 6,340,917,179.70 and 1,465,989,415.80 is: 2,198,984,123.70
Step by Step Solution
- Step 1: Write the proportion equation
4,227,278,119.80 : 6,340,917,179.70 = 1,465,989,415.80 : x - Step 2: Convert to fraction form
4,227,278,119.80/6,340,917,179.70 = 1,465,989,415.80/x - Step 3: Cross multiply
4,227,278,119.80x = 6,340,917,179.70 × 1,465,989,415.80 - Step 4: Simplify right side
4,227,278,119.80x = 9,295,717,471,904,585,728 - Step 5: Solve for x
x = 9,295,717,471,904,585,728/4,227,278,119.80 - Step 6: Final answer
x = 2,198,984,123.70
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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.