Finding the Fourth Proportional to 995,328,166.20, 1,492,992,249.30 and 629,843,724.60
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Solution
The fourth proportional to 995,328,166.20, 1,492,992,249.30 and 629,843,724.60 is: 944,765,586.90
Step by Step Solution
- Step 1: Write the proportion equation
995,328,166.20 : 1,492,992,249.30 = 629,843,724.60 : x - Step 2: Convert to fraction form
995,328,166.20/1,492,992,249.30 = 629,843,724.60/x - Step 3: Cross multiply
995,328,166.20x = 1,492,992,249.30 × 629,843,724.60 - Step 4: Simplify right side
995,328,166.20x = 940,351,799,098,043,776 - Step 5: Solve for x
x = 940,351,799,098,043,776/995,328,166.20 - Step 6: Final answer
x = 944,765,586.90
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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.