Finding the Fourth Proportional to 2,125,776,166.40, 3,188,664,249.60 and 1,601,987,916.80
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Solution
The fourth proportional to 2,125,776,166.40, 3,188,664,249.60 and 1,601,987,916.80 is: 2,402,981,875.20
Step by Step Solution
- Step 1: Write the proportion equation
2,125,776,166.40 : 3,188,664,249.60 = 1,601,987,916.80 : x - Step 2: Convert to fraction form
2,125,776,166.40/3,188,664,249.60 = 1,601,987,916.80/x - Step 3: Cross multiply
2,125,776,166.40x = 3,188,664,249.60 × 1,601,987,916.80 - Step 4: Simplify right side
2,125,776,166.40x = 5,108,201,598,591,338,496 - Step 5: Solve for x
x = 5,108,201,598,591,338,496/2,125,776,166.40 - Step 6: Final answer
x = 2,402,981,875.20
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1.5x scale
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.