Finding the Fourth Proportional to 6,915,550,536.16, 9,543,462,821.05 and 3,743,734,349.99
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Solution
The fourth proportional to 6,915,550,536.16, 9,543,462,821.05 and 3,743,734,349.99 is: 5,166,355,070.97
Step by Step Solution
- Step 1: Write the proportion equation
6,915,550,536.16 : 9,543,462,821.05 = 3,743,734,349.99 : x - Step 2: Convert to fraction form
6,915,550,536.16/9,543,462,821.05 = 3,743,734,349.99/x - Step 3: Cross multiply
6,915,550,536.16x = 9,543,462,821.05 × 3,743,734,349.99 - Step 4: Simplify right side
6,915,550,536.16x = 35,728,189,581,017,350,144 - Step 5: Solve for x
x = 35,728,189,581,017,350,144/6,915,550,536.16 - Step 6: Final answer
x = 5,166,355,070.97
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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.