Finding the Fourth Proportional to 6,340,620,668.96, 8,749,816,806.24 and 3,521,410,197.92
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Solution
The fourth proportional to 6,340,620,668.96, 8,749,816,806.24 and 3,521,410,197.92 is: 4,859,412,940.80
Step by Step Solution
- Step 1: Write the proportion equation
6,340,620,668.96 : 8,749,816,806.24 = 3,521,410,197.92 : x - Step 2: Convert to fraction form
6,340,620,668.96/8,749,816,806.24 = 3,521,410,197.92/x - Step 3: Cross multiply
6,340,620,668.96x = 8,749,816,806.24 × 3,521,410,197.92 - Step 4: Simplify right side
6,340,620,668.96x = 30,811,694,131,425,341,440 - Step 5: Solve for x
x = 30,811,694,131,425,341,440/6,340,620,668.96 - Step 6: Final answer
x = 4,859,412,940.80
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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.