Finding the Fourth Proportional to 2,553,587,121.36, 3,523,948,635.76 and 1,380,165,393.36
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Solution
The fourth proportional to 2,553,587,121.36, 3,523,948,635.76 and 1,380,165,393.36 is: 1,904,627,382.54
Step by Step Solution
- Step 1: Write the proportion equation
2,553,587,121.36 : 3,523,948,635.76 = 1,380,165,393.36 : x - Step 2: Convert to fraction form
2,553,587,121.36/3,523,948,635.76 = 1,380,165,393.36/x - Step 3: Cross multiply
2,553,587,121.36x = 3,523,948,635.76 × 1,380,165,393.36 - Step 4: Simplify right side
2,553,587,121.36x = 4,863,631,955,054,135,296 - Step 5: Solve for x
x = 4,863,631,955,054,135,296/2,553,587,121.36 - Step 6: Final answer
x = 1,904,627,382.54
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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.