Finding the Fourth Proportional to 468,101,817.37, 702,185,489.76 and 187,982,689.26
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Solution
The fourth proportional to 468,101,817.37, 702,185,489.76 and 187,982,689.26 is: 281,987,191.31
Step by Step Solution
- Step 1: Write the proportion equation
468,101,817.37 : 702,185,489.76 = 187,982,689.26 : x - Step 2: Convert to fraction form
468,101,817.37/702,185,489.76 = 187,982,689.26/x - Step 3: Cross multiply
468,101,817.37x = 702,185,489.76 × 187,982,689.26 - Step 4: Simplify right side
468,101,817.37x = 131,998,716,726,190,448 - Step 5: Solve for x
x = 131,998,716,726,190,448/468,101,817.37 - Step 6: Final answer
x = 281,987,191.31
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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.