Finding the Fourth Proportional to 6,915,550,588.11, 9,543,462,892.74 and 3,743,734,401.99
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Solution
The fourth proportional to 6,915,550,588.11, 9,543,462,892.74 and 3,743,734,401.99 is: 5,166,355,142.73
Step by Step Solution
- Step 1: Write the proportion equation
6,915,550,588.11 : 9,543,462,892.74 = 3,743,734,401.99 : x - Step 2: Convert to fraction form
6,915,550,588.11/9,543,462,892.74 = 3,743,734,401.99/x - Step 3: Cross multiply
6,915,550,588.11x = 9,543,462,892.74 × 3,743,734,401.99 - Step 4: Simplify right side
6,915,550,588.11x = 35,728,190,345,665,736,704 - Step 5: Solve for x
x = 35,728,190,345,665,736,704/6,915,550,588.11 - Step 6: Final answer
x = 5,166,355,142.73
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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.