Finding the Fourth Proportional to 4,480,857,791.20, 6,721,286,686.80 and 2,414,615,183.20
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Solution
The fourth proportional to 4,480,857,791.20, 6,721,286,686.80 and 2,414,615,183.20 is: 3,621,922,774.80
Step by Step Solution
- Step 1: Write the proportion equation
4,480,857,791.20 : 6,721,286,686.80 = 2,414,615,183.20 : x - Step 2: Convert to fraction form
4,480,857,791.20/6,721,286,686.80 = 2,414,615,183.20/x - Step 3: Cross multiply
4,480,857,791.20x = 6,721,286,686.80 × 2,414,615,183.20 - Step 4: Simplify right side
4,480,857,791.20x = 16,229,320,884,587,302,912 - Step 5: Solve for x
x = 16,229,320,884,587,302,912/4,480,857,791.20 - Step 6: Final answer
x = 3,621,922,774.80
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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.