Finding the Fourth Proportional to 4,324,667,346.54, 5,968,485,756 and 2,631,242,212.92
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Solution
The fourth proportional to 4,324,667,346.54, 5,968,485,756 and 2,631,242,212.92 is: 3,631,384,892.75
Step by Step Solution
- Step 1: Write the proportion equation
4,324,667,346.54 : 5,968,485,756 = 2,631,242,212.92 : x - Step 2: Convert to fraction form
4,324,667,346.54/5,968,485,756 = 2,631,242,212.92/x - Step 3: Cross multiply
4,324,667,346.54x = 5,968,485,756 × 2,631,242,212.92 - Step 4: Simplify right side
4,324,667,346.54x = 15,704,531,668,398,940,160 - Step 5: Solve for x
x = 15,704,531,668,398,940,160/4,324,667,346.54 - Step 6: Final answer
x = 3,631,384,892.75
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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.