Finding the Fourth Proportional to 2,509,567,773.60, 3,764,351,660.40 and 873,792,375.60
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Solution
The fourth proportional to 2,509,567,773.60, 3,764,351,660.40 and 873,792,375.60 is: 1,310,688,563.40
Step by Step Solution
- Step 1: Write the proportion equation
2,509,567,773.60 : 3,764,351,660.40 = 873,792,375.60 : x - Step 2: Convert to fraction form
2,509,567,773.60/3,764,351,660.40 = 873,792,375.60/x - Step 3: Cross multiply
2,509,567,773.60x = 3,764,351,660.40 × 873,792,375.60 - Step 4: Simplify right side
2,509,567,773.60x = 3,289,261,779,934,720,512 - Step 5: Solve for x
x = 3,289,261,779,934,720,512/2,509,567,773.60 - Step 6: Final answer
x = 1,310,688,563.40
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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.