Finding the Fourth Proportional to 2,798,086,183.20, 4,197,129,274.80 and 1,161,468,352.80
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Solution
The fourth proportional to 2,798,086,183.20, 4,197,129,274.80 and 1,161,468,352.80 is: 1,742,202,529.20
Step by Step Solution
- Step 1: Write the proportion equation
2,798,086,183.20 : 4,197,129,274.80 = 1,161,468,352.80 : x - Step 2: Convert to fraction form
2,798,086,183.20/4,197,129,274.80 = 1,161,468,352.80/x - Step 3: Cross multiply
2,798,086,183.20x = 4,197,129,274.80 × 1,161,468,352.80 - Step 4: Simplify right side
2,798,086,183.20x = 4,874,832,825,290,614,784 - Step 5: Solve for x
x = 4,874,832,825,290,614,784/2,798,086,183.20 - Step 6: Final answer
x = 1,742,202,529.20
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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.