Finding the Fourth Proportional to 3,880,458,611.60, 5,820,737,683.80 and 1,295,529,587.60
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Solution
The fourth proportional to 3,880,458,611.60, 5,820,737,683.80 and 1,295,529,587.60 is: 1,943,310,996.41
Step by Step Solution
- Step 1: Write the proportion equation
3,880,458,611.60 : 5,820,737,683.80 = 1,295,529,587.60 : x - Step 2: Convert to fraction form
3,880,458,611.60/5,820,737,683.80 = 1,295,529,587.60/x - Step 3: Cross multiply
3,880,458,611.60x = 5,820,737,683.80 × 1,295,529,587.60 - Step 4: Simplify right side
3,880,458,611.60x = 7,540,937,891,021,193,216 - Step 5: Solve for x
x = 7,540,937,891,021,193,216/3,880,458,611.60 - Step 6: Final answer
x = 1,943,310,996.41
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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.