Finding the Fourth Proportional to 7,240,899,195.90, 10,861,348,793.85 and 6,259,433,957.10
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Solution
The fourth proportional to 7,240,899,195.90, 10,861,348,793.85 and 6,259,433,957.10 is: 9,389,150,935.65
Step by Step Solution
- Step 1: Write the proportion equation
7,240,899,195.90 : 10,861,348,793.85 = 6,259,433,957.10 : x - Step 2: Convert to fraction form
7,240,899,195.90/10,861,348,793.85 = 6,259,433,957.10/x - Step 3: Cross multiply
7,240,899,195.90x = 10,861,348,793.85 × 6,259,433,957.10 - Step 4: Simplify right side
7,240,899,195.90x = 67,985,895,460,131,823,616 - Step 5: Solve for x
x = 67,985,895,460,131,823,616/7,240,899,195.90 - Step 6: Final answer
x = 9,389,150,935.65
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Double scale
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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.