Finding the Fourth Proportional to 2,886,019,368.20, 4,331,579,969.10 and 2,472,770,846.60
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Solution
The fourth proportional to 2,886,019,368.20, 4,331,579,969.10 and 2,472,770,846.60 is: 3,711,341,921.45
Step by Step Solution
- Step 1: Write the proportion equation
2,886,019,368.20 : 4,331,579,969.10 = 2,472,770,846.60 : x - Step 2: Convert to fraction form
2,886,019,368.20/4,331,579,969.10 = 2,472,770,846.60/x - Step 3: Cross multiply
2,886,019,368.20x = 4,331,579,969.10 × 2,472,770,846.60 - Step 4: Simplify right side
2,886,019,368.20x = 10,711,004,667,307,010,048 - Step 5: Solve for x
x = 10,711,004,667,307,010,048/2,886,019,368.20 - Step 6: Final answer
x = 3,711,341,921.45
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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.