Finding the Fourth Proportional to 6,952,269,217.25, 9,594,313,352.49 and 3,780,638,629.47
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Solution
The fourth proportional to 6,952,269,217.25, 9,594,313,352.49 and 3,780,638,629.47 is: 5,217,380,189.15
Step by Step Solution
- Step 1: Write the proportion equation
6,952,269,217.25 : 9,594,313,352.49 = 3,780,638,629.47 : x - Step 2: Convert to fraction form
6,952,269,217.25/9,594,313,352.49 = 3,780,638,629.47/x - Step 3: Cross multiply
6,952,269,217.25x = 9,594,313,352.49 × 3,780,638,629.47 - Step 4: Simplify right side
6,952,269,217.25x = 36,272,631,683,663,511,552 - Step 5: Solve for x
x = 36,272,631,683,663,511,552/6,952,269,217.25 - Step 6: Final answer
x = 5,217,380,189.15
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1.5x scale
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.