Finding the Fourth Proportional to 4,782,485,951.74, 6,601,143,310.86 and 2,775,967,523.56
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Solution
The fourth proportional to 4,782,485,951.74, 6,601,143,310.86 and 2,775,967,523.56 is: 3,831,597,130.49
Step by Step Solution
- Step 1: Write the proportion equation
4,782,485,951.74 : 6,601,143,310.86 = 2,775,967,523.56 : x - Step 2: Convert to fraction form
4,782,485,951.74/6,601,143,310.86 = 2,775,967,523.56/x - Step 3: Cross multiply
4,782,485,951.74x = 6,601,143,310.86 × 2,775,967,523.56 - Step 4: Simplify right side
4,782,485,951.74x = 18,324,559,449,312,692,224 - Step 5: Solve for x
x = 18,324,559,449,312,692,224/4,782,485,951.74 - Step 6: Final answer
x = 3,831,597,130.49
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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.