Finding the Fourth Proportional to 4,139,588,747.60, 6,209,383,121.40 and 2,486,594,661.20
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Solution
The fourth proportional to 4,139,588,747.60, 6,209,383,121.40 and 2,486,594,661.20 is: 3,729,891,991.80
Step by Step Solution
- Step 1: Write the proportion equation
4,139,588,747.60 : 6,209,383,121.40 = 2,486,594,661.20 : x - Step 2: Convert to fraction form
4,139,588,747.60/6,209,383,121.40 = 2,486,594,661.20/x - Step 3: Cross multiply
4,139,588,747.60x = 6,209,383,121.40 × 2,486,594,661.20 - Step 4: Simplify right side
4,139,588,747.60x = 15,440,218,919,018,629,120 - Step 5: Solve for x
x = 15,440,218,919,018,629,120/4,139,588,747.60 - Step 6: Final answer
x = 3,729,891,991.80
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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.