Finding the Fourth Proportional to 2,936,757,568.80, 4,405,136,353.20 and 998,060,800.80
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Solution
The fourth proportional to 2,936,757,568.80, 4,405,136,353.20 and 998,060,800.80 is: 1,497,091,201.20
Step by Step Solution
- Step 1: Write the proportion equation
2,936,757,568.80 : 4,405,136,353.20 = 998,060,800.80 : x - Step 2: Convert to fraction form
2,936,757,568.80/4,405,136,353.20 = 998,060,800.80/x - Step 3: Cross multiply
2,936,757,568.80x = 4,405,136,353.20 × 998,060,800.80 - Step 4: Simplify right side
2,936,757,568.80x = 4,396,593,916,307,983,360 - Step 5: Solve for x
x = 4,396,593,916,307,983,360/2,936,757,568.80 - Step 6: Final answer
x = 1,497,091,201.20
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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.