Finding the Fourth Proportional to 4,817,485,341.62, 7,226,198,866.21 and 2,620,656,469.83
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Solution
The fourth proportional to 4,817,485,341.62, 7,226,198,866.21 and 2,620,656,469.83 is: 3,930,968,849.54
Step by Step Solution
- Step 1: Write the proportion equation
4,817,485,341.62 : 7,226,198,866.21 = 2,620,656,469.83 : x - Step 2: Convert to fraction form
4,817,485,341.62/7,226,198,866.21 = 2,620,656,469.83/x - Step 3: Cross multiply
4,817,485,341.62x = 7,226,198,866.21 × 2,620,656,469.83 - Step 4: Simplify right side
4,817,485,341.62x = 18,937,384,811,007,332,352 - Step 5: Solve for x
x = 18,937,384,811,007,332,352/4,817,485,341.62 - Step 6: Final answer
x = 3,930,968,849.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.