Finding the Fourth Proportional to 881,159,914.10, 1,216,089,872.17 and 504,866,414.99
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Solution
The fourth proportional to 881,159,914.10, 1,216,089,872.17 and 504,866,414.99 is: 696,766,755.10
Step by Step Solution
- Step 1: Write the proportion equation
881,159,914.10 : 1,216,089,872.17 = 504,866,414.99 : x - Step 2: Convert to fraction form
881,159,914.10/1,216,089,872.17 = 504,866,414.99/x - Step 3: Cross multiply
881,159,914.10x = 1,216,089,872.17 × 504,866,414.99 - Step 4: Simplify right side
881,159,914.10x = 613,962,934,069,893,376 - Step 5: Solve for x
x = 613,962,934,069,893,376/881,159,914.10 - Step 6: Final answer
x = 696,766,755.10
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1.5x scale
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.