Finding the Fourth Proportional to 6,791,125,972.34, 10,187,794,605.50 and 2,005,512,845.60
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Solution
The fourth proportional to 6,791,125,972.34, 10,187,794,605.50 and 2,005,512,845.60 is: 3,008,595,781.15
Step by Step Solution
- Step 1: Write the proportion equation
6,791,125,972.34 : 10,187,794,605.50 = 2,005,512,845.60 : x - Step 2: Convert to fraction form
6,791,125,972.34/10,187,794,605.50 = 2,005,512,845.60/x - Step 3: Cross multiply
6,791,125,972.34x = 10,187,794,605.50 × 2,005,512,845.60 - Step 4: Simplify right side
6,791,125,972.34x = 20,431,752,949,664,632,832 - Step 5: Solve for x
x = 20,431,752,949,664,632,832/6,791,125,972.34 - Step 6: Final answer
x = 3,008,595,781.15
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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.