Finding the Fourth Proportional to 7,647,783,092.70, 11,471,674,639.05 and 4,540,766,430.30
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Solution
The fourth proportional to 7,647,783,092.70, 11,471,674,639.05 and 4,540,766,430.30 is: 6,811,149,645.45
Step by Step Solution
- Step 1: Write the proportion equation
7,647,783,092.70 : 11,471,674,639.05 = 4,540,766,430.30 : x - Step 2: Convert to fraction form
7,647,783,092.70/11,471,674,639.05 = 4,540,766,430.30/x - Step 3: Cross multiply
7,647,783,092.70x = 11,471,674,639.05 × 4,540,766,430.30 - Step 4: Simplify right side
7,647,783,092.70x = 52,090,195,100,322,111,488 - Step 5: Solve for x
x = 52,090,195,100,322,111,488/7,647,783,092.70 - Step 6: Final answer
x = 6,811,149,645.45
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Double scale
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Similar ratio
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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.