Finding the Fourth Proportional to 3,883,021,558.40, 5,824,532,337.60 and 1,431,118,121.60
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Solution
The fourth proportional to 3,883,021,558.40, 5,824,532,337.60 and 1,431,118,121.60 is: 2,146,677,182.40
Step by Step Solution
- Step 1: Write the proportion equation
3,883,021,558.40 : 5,824,532,337.60 = 1,431,118,121.60 : x - Step 2: Convert to fraction form
3,883,021,558.40/5,824,532,337.60 = 1,431,118,121.60/x - Step 3: Cross multiply
3,883,021,558.40x = 5,824,532,337.60 × 1,431,118,121.60 - Step 4: Simplify right side
3,883,021,558.40x = 8,335,593,778,184,568,832 - Step 5: Solve for x
x = 8,335,593,778,184,568,832/3,883,021,558.40 - Step 6: Final answer
x = 2,146,677,182.40
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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.