Finding the Fourth Proportional to 1,330,647,376.35, 1,836,858,790.08 and 829,103,958.14
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Solution
The fourth proportional to 1,330,647,376.35, 1,836,858,790.08 and 829,103,958.14 is: 1,144,515,760.12
Step by Step Solution
- Step 1: Write the proportion equation
1,330,647,376.35 : 1,836,858,790.08 = 829,103,958.14 : x - Step 2: Convert to fraction form
1,330,647,376.35/1,836,858,790.08 = 829,103,958.14/x - Step 3: Cross multiply
1,330,647,376.35x = 1,836,858,790.08 × 829,103,958.14 - Step 4: Simplify right side
1,330,647,376.35x = 1,522,946,893,390,394,880 - Step 5: Solve for x
x = 1,522,946,893,390,394,880/1,330,647,376.35 - Step 6: Final answer
x = 1,144,515,760.12
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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.