Finding the Fourth Proportional to 4,791,622,231.81, 6,611,305,014.52 and 2,783,264,187.25
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Solution
The fourth proportional to 4,791,622,231.81, 6,611,305,014.52 and 2,783,264,187.25 is: 3,840,246,076.94
Step by Step Solution
- Step 1: Write the proportion equation
4,791,622,231.81 : 6,611,305,014.52 = 2,783,264,187.25 : x - Step 2: Convert to fraction form
4,791,622,231.81/6,611,305,014.52 = 2,783,264,187.25/x - Step 3: Cross multiply
4,791,622,231.81x = 6,611,305,014.52 × 2,783,264,187.25 - Step 4: Simplify right side
4,791,622,231.81x = 18,401,008,477,899,857,920 - Step 5: Solve for x
x = 18,401,008,477,899,857,920/4,791,622,231.81 - Step 6: Final answer
x = 3,840,246,076.94
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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.