Finding the Fourth Proportional to 2,738,157,907.62, 4,084,215,446.08 and 2,486,787,652.28
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Solution
The fourth proportional to 2,738,157,907.62, 4,084,215,446.08 and 2,486,787,652.28 is: 3,709,273,490.87
Step by Step Solution
- Step 1: Write the proportion equation
2,738,157,907.62 : 4,084,215,446.08 = 2,486,787,652.28 : x - Step 2: Convert to fraction form
2,738,157,907.62/4,084,215,446.08 = 2,486,787,652.28/x - Step 3: Cross multiply
2,738,157,907.62x = 4,084,215,446.08 × 2,486,787,652.28 - Step 4: Simplify right side
2,738,157,907.62x = 10,156,576,540,562,997,248 - Step 5: Solve for x
x = 10,156,576,540,562,997,248/2,738,157,907.62 - Step 6: Final answer
x = 3,709,273,490.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.