Finding the Fourth Proportional to 7,947,651,566.42, 10,967,993,114.70 and 4,379,588,314.19
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Solution
The fourth proportional to 7,947,651,566.42, 10,967,993,114.70 and 4,379,588,314.19 is: 6,043,960,794.44
Step by Step Solution
- Step 1: Write the proportion equation
7,947,651,566.42 : 10,967,993,114.70 = 4,379,588,314.19 : x - Step 2: Convert to fraction form
7,947,651,566.42/10,967,993,114.70 = 4,379,588,314.19/x - Step 3: Cross multiply
7,947,651,566.42x = 10,967,993,114.70 × 4,379,588,314.19 - Step 4: Simplify right side
7,947,651,566.42x = 48,035,294,475,255,422,976 - Step 5: Solve for x
x = 48,035,294,475,255,422,976/7,947,651,566.42 - Step 6: Final answer
x = 6,043,960,794.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.