Finding the Fourth Proportional to 1,806,217,332,382.70, 2,492,645,694,662.20 and 983,114,523,330.30
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Solution
The fourth proportional to 1,806,217,332,382.70, 2,492,645,694,662.20 and 983,114,523,330.30 is: 1,356,733,843,709.97
Step by Step Solution
- Step 1: Write the proportion equation
1,806,217,332,382.70 : 2,492,645,694,662.20 = 983,114,523,330.30 : x - Step 2: Convert to fraction form
1,806,217,332,382.70/2,492,645,694,662.20 = 983,114,523,330.30/x - Step 3: Cross multiply
1,806,217,332,382.70x = 2,492,645,694,662.20 × 983,114,523,330.30 - Step 4: Simplify right side
1,806,217,332,382.70x = 2,450,556,183,939,153,414,586,368 - Step 5: Solve for x
x = 2,450,556,183,939,153,414,586,368/1,806,217,332,382.70 - Step 6: Final answer
x = 1,356,733,843,709.97
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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.