Finding the Fourth Proportional to 2,308,678,198.34, 3,185,890,559.87 and 1,251,383,470.07
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Solution
The fourth proportional to 2,308,678,198.34, 3,185,890,559.87 and 1,251,383,470.07 is: 1,726,862,923.96
Step by Step Solution
- Step 1: Write the proportion equation
2,308,678,198.34 : 3,185,890,559.87 = 1,251,383,470.07 : x - Step 2: Convert to fraction form
2,308,678,198.34/3,185,890,559.87 = 1,251,383,470.07/x - Step 3: Cross multiply
2,308,678,198.34x = 3,185,890,559.87 × 1,251,383,470.07 - Step 4: Simplify right side
2,308,678,198.34x = 3,986,770,784,051,189,248 - Step 5: Solve for x
x = 3,986,770,784,051,189,248/2,308,678,198.34 - Step 6: Final answer
x = 1,726,862,923.96
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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.