Finding the Fourth Proportional to 4,291,135,666.70, 6,436,703,500.05 and 3,128,874,199.70
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Solution
The fourth proportional to 4,291,135,666.70, 6,436,703,500.05 and 3,128,874,199.70 is: 4,693,311,299.55
Step by Step Solution
- Step 1: Write the proportion equation
4,291,135,666.70 : 6,436,703,500.05 = 3,128,874,199.70 : x - Step 2: Convert to fraction form
4,291,135,666.70/6,436,703,500.05 = 3,128,874,199.70/x - Step 3: Cross multiply
4,291,135,666.70x = 6,436,703,500.05 × 3,128,874,199.70 - Step 4: Simplify right side
4,291,135,666.70x = 20,139,635,512,425,132,032 - Step 5: Solve for x
x = 20,139,635,512,425,132,032/4,291,135,666.70 - Step 6: Final answer
x = 4,693,311,299.55
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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.