Finding the Fourth Proportional to 7,153,874,297.39, 10,731,977,082.44 and 2,112,240,389.42
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Solution
The fourth proportional to 7,153,874,297.39, 10,731,977,082.44 and 2,112,240,389.42 is: 3,168,704,747.88
Step by Step Solution
- Step 1: Write the proportion equation
7,153,874,297.39 : 10,731,977,082.44 = 2,112,240,389.42 : x - Step 2: Convert to fraction form
7,153,874,297.39/10,731,977,082.44 = 2,112,240,389.42/x - Step 3: Cross multiply
7,153,874,297.39x = 10,731,977,082.44 × 2,112,240,389.42 - Step 4: Simplify right side
7,153,874,297.39x = 22,668,515,451,859,582,976 - Step 5: Solve for x
x = 22,668,515,451,859,582,976/7,153,874,297.39 - Step 6: Final answer
x = 3,168,704,747.88
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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.