Finding the Fourth Proportional to 18,168,442,827.21, 27,256,944,951.36 and 6,216,825,305.52
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Solution
The fourth proportional to 18,168,442,827.21, 27,256,944,951.36 and 6,216,825,305.52 is: 9,326,702,719.45
Step by Step Solution
- Step 1: Write the proportion equation
18,168,442,827.21 : 27,256,944,951.36 = 6,216,825,305.52 : x - Step 2: Convert to fraction form
18,168,442,827.21/27,256,944,951.36 = 6,216,825,305.52/x - Step 3: Cross multiply
18,168,442,827.21x = 27,256,944,951.36 × 6,216,825,305.52 - Step 4: Simplify right side
18,168,442,827.21x = 169,451,665,124,780,474,368 - Step 5: Solve for x
x = 169,451,665,124,780,474,368/18,168,442,827.21 - Step 6: Final answer
x = 9,326,702,719.45
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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.