Finding the Fourth Proportional to 2,125,771,416.40, 3,188,657,124.60 and 1,876,100,434.60
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Solution
The fourth proportional to 2,125,771,416.40, 3,188,657,124.60 and 1,876,100,434.60 is: 2,814,150,651.90
Step by Step Solution
- Step 1: Write the proportion equation
2,125,771,416.40 : 3,188,657,124.60 = 1,876,100,434.60 : x - Step 2: Convert to fraction form
2,125,771,416.40/3,188,657,124.60 = 1,876,100,434.60/x - Step 3: Cross multiply
2,125,771,416.40x = 3,188,657,124.60 × 1,876,100,434.60 - Step 4: Simplify right side
2,125,771,416.40x = 5,982,241,017,252,446,208 - Step 5: Solve for x
x = 5,982,241,017,252,446,208/2,125,771,416.40 - Step 6: Final answer
x = 2,814,150,651.90
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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.