Finding the Fourth Proportional to 3,082,333,213.12, 4,253,619,834.36 and 1,672,637,175.98
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Solution
The fourth proportional to 3,082,333,213.12, 4,253,619,834.36 and 1,672,637,175.98 is: 2,308,239,302.99
Step by Step Solution
- Step 1: Write the proportion equation
3,082,333,213.12 : 4,253,619,834.36 = 1,672,637,175.98 : x - Step 2: Convert to fraction form
3,082,333,213.12/4,253,619,834.36 = 1,672,637,175.98/x - Step 3: Cross multiply
3,082,333,213.12x = 4,253,619,834.36 × 1,672,637,175.98 - Step 4: Simplify right side
3,082,333,213.12x = 7,114,762,667,436,426,240 - Step 5: Solve for x
x = 7,114,762,667,436,426,240/3,082,333,213.12 - Step 6: Final answer
x = 2,308,239,302.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.