Finding the Fourth Proportional to 3,205,820,181.60, 4,807,029,661.20 and 1,135,609,480.80
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Solution
The fourth proportional to 3,205,820,181.60, 4,807,029,661.20 and 1,135,609,480.80 is: 1,702,811,807.44
Step by Step Solution
- Step 1: Write the proportion equation
3,205,820,181.60 : 4,807,029,661.20 = 1,135,609,480.80 : x - Step 2: Convert to fraction form
3,205,820,181.60/4,807,029,661.20 = 1,135,609,480.80/x - Step 3: Cross multiply
3,205,820,181.60x = 4,807,029,661.20 × 1,135,609,480.80 - Step 4: Simplify right side
3,205,820,181.60x = 5,458,908,457,745,531,904 - Step 5: Solve for x
x = 5,458,908,457,745,531,904/3,205,820,181.60 - Step 6: Final answer
x = 1,702,811,807.44
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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.