Finding the Fourth Proportional to 18,388,080,140.36, 27,582,120,531.76 and 4,413,702,033.26
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Solution
The fourth proportional to 18,388,080,140.36, 27,582,120,531.76 and 4,413,702,033.26 is: 6,620,553,126.99
Step by Step Solution
- Step 1: Write the proportion equation
18,388,080,140.36 : 27,582,120,531.76 = 4,413,702,033.26 : x - Step 2: Convert to fraction form
18,388,080,140.36/27,582,120,531.76 = 4,413,702,033.26/x - Step 3: Cross multiply
18,388,080,140.36x = 27,582,120,531.76 × 4,413,702,033.26 - Step 4: Simplify right side
18,388,080,140.36x = 121,739,261,472,651,509,760 - Step 5: Solve for x
x = 121,739,261,472,651,509,760/18,388,080,140.36 - Step 6: Final answer
x = 6,620,553,126.99
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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.