Finding the Fourth Proportional to 7,836,130,840.14, 11,759,253,142.86 and 2,861,436,183.39
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Solution
The fourth proportional to 7,836,130,840.14, 11,759,253,142.86 and 2,861,436,183.39 is: 4,294,000,842.90
Step by Step Solution
- Step 1: Write the proportion equation
7,836,130,840.14 : 11,759,253,142.86 = 2,861,436,183.39 : x - Step 2: Convert to fraction form
7,836,130,840.14/11,759,253,142.86 = 2,861,436,183.39/x - Step 3: Cross multiply
7,836,130,840.14x = 11,759,253,142.86 × 2,861,436,183.39 - Step 4: Simplify right side
7,836,130,840.14x = 33,648,352,432,622,182,400 - Step 5: Solve for x
x = 33,648,352,432,622,182,400/7,836,130,840.14 - Step 6: Final answer
x = 4,294,000,842.90
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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.