Finding the Fourth Proportional to 6,373,993,765.90, 9,560,990,648.86 and 2,232,899,205.70
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Solution
The fourth proportional to 6,373,993,765.90, 9,560,990,648.86 and 2,232,899,205.70 is: 3,349,348,808.55
Step by Step Solution
- Step 1: Write the proportion equation
6,373,993,765.90 : 9,560,990,648.86 = 2,232,899,205.70 : x - Step 2: Convert to fraction form
6,373,993,765.90/9,560,990,648.86 = 2,232,899,205.70/x - Step 3: Cross multiply
6,373,993,765.90x = 9,560,990,648.86 × 2,232,899,205.70 - Step 4: Simplify right side
6,373,993,765.90x = 21,348,728,425,544,622,080 - Step 5: Solve for x
x = 21,348,728,425,544,622,080/6,373,993,765.90 - Step 6: Final answer
x = 3,349,348,808.55
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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.