Finding the Fourth Proportional to 462,241,422.70, 693,362,134.05 and 155,431,566.70
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Solution
The fourth proportional to 462,241,422.70, 693,362,134.05 and 155,431,566.70 is: 233,147,350.05
Step by Step Solution
- Step 1: Write the proportion equation
462,241,422.70 : 693,362,134.05 = 155,431,566.70 : x - Step 2: Convert to fraction form
462,241,422.70/693,362,134.05 = 155,431,566.70/x - Step 3: Cross multiply
462,241,422.70x = 693,362,134.05 × 155,431,566.70 - Step 4: Simplify right side
462,241,422.70x = 107,770,362,785,846,896 - Step 5: Solve for x
x = 107,770,362,785,846,896/462,241,422.70 - Step 6: Final answer
x = 233,147,350.05
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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.