Finding the Fourth Proportional to 5,419,342,528.44, 8,128,044,091.44 and 3,448,340,766.96
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Solution
The fourth proportional to 5,419,342,528.44, 8,128,044,091.44 and 3,448,340,766.96 is: 5,171,894,127.21
Step by Step Solution
- Step 1: Write the proportion equation
5,419,342,528.44 : 8,128,044,091.44 = 3,448,340,766.96 : x - Step 2: Convert to fraction form
5,419,342,528.44/8,128,044,091.44 = 3,448,340,766.96/x - Step 3: Cross multiply
5,419,342,528.44x = 8,128,044,091.44 × 3,448,340,766.96 - Step 4: Simplify right side
5,419,342,528.44x = 28,028,265,796,160,905,216 - Step 5: Solve for x
x = 28,028,265,796,160,905,216/5,419,342,528.44 - Step 6: Final answer
x = 5,171,894,127.21
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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.