Finding the Fourth Proportional to 3,894,212,251.69, 5,374,017,631.26 and 2,110,064,324.78
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Solution
The fourth proportional to 3,894,212,251.69, 5,374,017,631.26 and 2,110,064,324.78 is: 2,911,891,327.84
Step by Step Solution
- Step 1: Write the proportion equation
3,894,212,251.69 : 5,374,017,631.26 = 2,110,064,324.78 : x - Step 2: Convert to fraction form
3,894,212,251.69/5,374,017,631.26 = 2,110,064,324.78/x - Step 3: Cross multiply
3,894,212,251.69x = 5,374,017,631.26 × 2,110,064,324.78 - Step 4: Simplify right side
3,894,212,251.69x = 11,339,522,884,473,882,624 - Step 5: Solve for x
x = 11,339,522,884,473,882,624/3,894,212,251.69 - Step 6: Final answer
x = 2,911,891,327.84
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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.