Finding the Fourth Proportional to 1,264,247,274,752.10, 1,744,662,530,362.80 and 686,183,912,704.99
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Solution
The fourth proportional to 1,264,247,274,752.10, 1,744,662,530,362.80 and 686,183,912,704.99 is: 946,934,500,348.34
Step by Step Solution
- Step 1: Write the proportion equation
1,264,247,274,752.10 : 1,744,662,530,362.80 = 686,183,912,704.99 : x - Step 2: Convert to fraction form
1,264,247,274,752.10/1,744,662,530,362.80 = 686,183,912,704.99/x - Step 3: Cross multiply
1,264,247,274,752.10x = 1,744,662,530,362.80 × 686,183,912,704.99 - Step 4: Simplify right side
1,264,247,274,752.10x = 1,197,159,361,434,134,536,781,824 - Step 5: Solve for x
x = 1,197,159,361,434,134,536,781,824/1,264,247,274,752.10 - Step 6: Final answer
x = 946,934,500,348.34
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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.