Finding the Fourth Proportional to 2,836,629,400.64, 4,251,558,897.11 and 1,320,237,817.70
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Solution
The fourth proportional to 2,836,629,400.64, 4,251,558,897.11 and 1,320,237,817.70 is: 1,978,781,168.55
Step by Step Solution
- Step 1: Write the proportion equation
2,836,629,400.64 : 4,251,558,897.11 = 1,320,237,817.70 : x - Step 2: Convert to fraction form
2,836,629,400.64/4,251,558,897.11 = 1,320,237,817.70/x - Step 3: Cross multiply
2,836,629,400.64x = 4,251,558,897.11 × 1,320,237,817.70 - Step 4: Simplify right side
2,836,629,400.64x = 5,613,068,840,125,568,000 - Step 5: Solve for x
x = 5,613,068,840,125,568,000/2,836,629,400.64 - Step 6: Final answer
x = 1,978,781,168.55
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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.