Finding the Fourth Proportional to 2,883,192,432.12, 3,978,960,044.38 and 1,612,957,640.63
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Solution
The fourth proportional to 2,883,192,432.12, 3,978,960,044.38 and 1,612,957,640.63 is: 2,225,967,970.03
Step by Step Solution
- Step 1: Write the proportion equation
2,883,192,432.12 : 3,978,960,044.38 = 1,612,957,640.63 : x - Step 2: Convert to fraction form
2,883,192,432.12/3,978,960,044.38 = 1,612,957,640.63/x - Step 3: Cross multiply
2,883,192,432.12x = 3,978,960,044.38 × 1,612,957,640.63 - Step 4: Simplify right side
2,883,192,432.12x = 6,417,894,005,320,278,016 - Step 5: Solve for x
x = 6,417,894,005,320,278,016/2,883,192,432.12 - Step 6: Final answer
x = 2,225,967,970.03
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1.5x scale
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.