Finding the Fourth Proportional to 2,775,777,177.45, 4,163,800,299.50 and 910,257,842.25
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Solution
The fourth proportional to 2,775,777,177.45, 4,163,800,299.50 and 910,257,842.25 is: 1,365,430,880.75
Step by Step Solution
- Step 1: Write the proportion equation
2,775,777,177.45 : 4,163,800,299.50 = 910,257,842.25 : x - Step 2: Convert to fraction form
2,775,777,177.45/4,163,800,299.50 = 910,257,842.25/x - Step 3: Cross multiply
2,775,777,177.45x = 4,163,800,299.50 × 910,257,842.25 - Step 4: Simplify right side
2,775,777,177.45x = 3,790,131,876,178,222,592 - Step 5: Solve for x
x = 3,790,131,876,178,222,592/2,775,777,177.45 - Step 6: Final answer
x = 1,365,430,880.75
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1.5x scale
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.