Finding the Fourth Proportional to 7,307,763,857.87, 10,082,985,668.66 and 4,135,947,773.18
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Solution
The fourth proportional to 7,307,763,857.87, 10,082,985,668.66 and 4,135,947,773.18 is: 5,706,629,679.66
Step by Step Solution
- Step 1: Write the proportion equation
7,307,763,857.87 : 10,082,985,668.66 = 4,135,947,773.18 : x - Step 2: Convert to fraction form
7,307,763,857.87/10,082,985,668.66 = 4,135,947,773.18/x - Step 3: Cross multiply
7,307,763,857.87x = 10,082,985,668.66 × 4,135,947,773.18 - Step 4: Simplify right side
7,307,763,857.87x = 41,702,702,123,258,044,416 - Step 5: Solve for x
x = 41,702,702,123,258,044,416/7,307,763,857.87 - Step 6: Final answer
x = 5,706,629,679.66
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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.