Finding the Fourth Proportional to 5,273,574,294.44, 7,274,222,239.88 and 3,128,662,392
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Solution
The fourth proportional to 5,273,574,294.44, 7,274,222,239.88 and 3,128,662,392 is: 4,315,590,201.69
Step by Step Solution
- Step 1: Write the proportion equation
5,273,574,294.44 : 7,274,222,239.88 = 3,128,662,392 : x - Step 2: Convert to fraction form
5,273,574,294.44/7,274,222,239.88 = 3,128,662,392/x - Step 3: Cross multiply
5,273,574,294.44x = 7,274,222,239.88 × 3,128,662,392 - Step 4: Simplify right side
5,273,574,294.44x = 22,758,585,552,962,560,000 - Step 5: Solve for x
x = 22,758,585,552,962,560,000/5,273,574,294.44 - Step 6: Final answer
x = 4,315,590,201.69
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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.