Finding the Fourth Proportional to 2,198,405,430.20, 3,297,608,145.30 and 744,382,854.20
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Solution
The fourth proportional to 2,198,405,430.20, 3,297,608,145.30 and 744,382,854.20 is: 1,116,574,281.30
Step by Step Solution
- Step 1: Write the proportion equation
2,198,405,430.20 : 3,297,608,145.30 = 744,382,854.20 : x - Step 2: Convert to fraction form
2,198,405,430.20/3,297,608,145.30 = 744,382,854.20/x - Step 3: Cross multiply
2,198,405,430.20x = 3,297,608,145.30 × 744,382,854.20 - Step 4: Simplify right side
2,198,405,430.20x = 2,454,682,963,231,582,720 - Step 5: Solve for x
x = 2,454,682,963,231,582,720/2,198,405,430.20 - Step 6: Final answer
x = 1,116,574,281.30
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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.