Finding the Fourth Proportional to 1,461,737,143.80, 2,192,605,715.70 and 724,522,188.60
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Solution
The fourth proportional to 1,461,737,143.80, 2,192,605,715.70 and 724,522,188.60 is: 1,086,783,282.90
Step by Step Solution
- Step 1: Write the proportion equation
1,461,737,143.80 : 2,192,605,715.70 = 724,522,188.60 : x - Step 2: Convert to fraction form
1,461,737,143.80/2,192,605,715.70 = 724,522,188.60/x - Step 3: Cross multiply
1,461,737,143.80x = 2,192,605,715.70 × 724,522,188.60 - Step 4: Simplify right side
1,461,737,143.80x = 1,588,591,491,875,833,344 - Step 5: Solve for x
x = 1,588,591,491,875,833,344/1,461,737,143.80 - Step 6: Final answer
x = 1,086,783,282.90
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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.