Finding the Fourth Proportional to 2,160,964,571.22, 2,982,164,964.21 and 1,268,911,022.04
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Solution
The fourth proportional to 2,160,964,571.22, 2,982,164,964.21 and 1,268,911,022.04 is: 1,751,117,090.50
Step by Step Solution
- Step 1: Write the proportion equation
2,160,964,571.22 : 2,982,164,964.21 = 1,268,911,022.04 : x - Step 2: Convert to fraction form
2,160,964,571.22/2,982,164,964.21 = 1,268,911,022.04/x - Step 3: Cross multiply
2,160,964,571.22x = 2,982,164,964.21 × 1,268,911,022.04 - Step 4: Simplify right side
2,160,964,571.22x = 3,784,101,992,627,591,168 - Step 5: Solve for x
x = 3,784,101,992,627,591,168/2,160,964,571.22 - Step 6: Final answer
x = 1,751,117,090.50
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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.