Finding the Fourth Proportional to 2,250,505,816.21, 3,105,656,920.56 and 1,246,919,722.98
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Solution
The fourth proportional to 2,250,505,816.21, 3,105,656,920.56 and 1,246,919,722.98 is: 1,720,726,442.55
Step by Step Solution
- Step 1: Write the proportion equation
2,250,505,816.21 : 3,105,656,920.56 = 1,246,919,722.98 : x - Step 2: Convert to fraction form
2,250,505,816.21/3,105,656,920.56 = 1,246,919,722.98/x - Step 3: Cross multiply
2,250,505,816.21x = 3,105,656,920.56 × 1,246,919,722.98 - Step 4: Simplify right side
2,250,505,816.21x = 3,872,504,867,055,595,008 - Step 5: Solve for x
x = 3,872,504,867,055,595,008/2,250,505,816.21 - Step 6: Final answer
x = 1,720,726,442.55
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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.