Finding the Fourth Proportional to 1,467,917,616.60, 2,201,876,424.90 and 814,882,915.80
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Solution
The fourth proportional to 1,467,917,616.60, 2,201,876,424.90 and 814,882,915.80 is: 1,222,324,373.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,917,616.60 : 2,201,876,424.90 = 814,882,915.80 : x - Step 2: Convert to fraction form
1,467,917,616.60/2,201,876,424.90 = 814,882,915.80/x - Step 3: Cross multiply
1,467,917,616.60x = 2,201,876,424.90 × 814,882,915.80 - Step 4: Simplify right side
1,467,917,616.60x = 1,794,271,481,353,791,744 - Step 5: Solve for x
x = 1,794,271,481,353,791,744/1,467,917,616.60 - Step 6: Final answer
x = 1,222,324,373.70
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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.