Finding the Fourth Proportional to 2,936,880,072.30, 4,405,320,108.45 and 998,183,304.30
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Solution
The fourth proportional to 2,936,880,072.30, 4,405,320,108.45 and 998,183,304.30 is: 1,497,274,956.45
Step by Step Solution
- Step 1: Write the proportion equation
2,936,880,072.30 : 4,405,320,108.45 = 998,183,304.30 : x - Step 2: Convert to fraction form
2,936,880,072.30/4,405,320,108.45 = 998,183,304.30/x - Step 3: Cross multiply
2,936,880,072.30x = 4,405,320,108.45 × 998,183,304.30 - Step 4: Simplify right side
2,936,880,072.30x = 4,397,316,982,351,855,104 - Step 5: Solve for x
x = 4,397,316,982,351,855,104/2,936,880,072.30 - Step 6: Final answer
x = 1,497,274,956.45
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1.5x scale
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.