Finding the Fourth Proportional to 1,806,217,332,385.10, 2,492,645,694,665.60 and 983,114,523,332.80
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Solution
The fourth proportional to 1,806,217,332,385.10, 2,492,645,694,665.60 and 983,114,523,332.80 is: 1,356,733,843,713.47
Step by Step Solution
- Step 1: Write the proportion equation
1,806,217,332,385.10 : 2,492,645,694,665.60 = 983,114,523,332.80 : x - Step 2: Convert to fraction form
1,806,217,332,385.10/2,492,645,694,665.60 = 983,114,523,332.80/x - Step 3: Cross multiply
1,806,217,332,385.10x = 2,492,645,694,665.60 × 983,114,523,332.80 - Step 4: Simplify right side
1,806,217,332,385.10x = 2,450,556,183,948,727,433,560,064 - Step 5: Solve for x
x = 2,450,556,183,948,727,433,560,064/1,806,217,332,385.10 - Step 6: Final answer
x = 1,356,733,843,713.47
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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.