Finding the Fourth Proportional to 3,278,943,515.34, 4,918,411,418.22 and 1,068,149,611.44
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Solution
The fourth proportional to 3,278,943,515.34, 4,918,411,418.22 and 1,068,149,611.44 is: 1,602,223,161.42
Step by Step Solution
- Step 1: Write the proportion equation
3,278,943,515.34 : 4,918,411,418.22 = 1,068,149,611.44 : x - Step 2: Convert to fraction form
3,278,943,515.34/4,918,411,418.22 = 1,068,149,611.44/x - Step 3: Cross multiply
3,278,943,515.34x = 4,918,411,418.22 × 1,068,149,611.44 - Step 4: Simplify right side
3,278,943,515.34x = 5,253,599,245,273,752,576 - Step 5: Solve for x
x = 5,253,599,245,273,752,576/3,278,943,515.34 - Step 6: Final answer
x = 1,602,223,161.42
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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.