Finding the Fourth Proportional to 18,199,362,777.80, 27,299,044,166.70 and 18,199,362,777.80
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Solution
The fourth proportional to 18,199,362,777.80, 27,299,044,166.70 and 18,199,362,777.80 is: 27,299,044,166.70
Step by Step Solution
- Step 1: Write the proportion equation
18,199,362,777.80 : 27,299,044,166.70 = 18,199,362,777.80 : x - Step 2: Convert to fraction form
18,199,362,777.80/27,299,044,166.70 = 18,199,362,777.80/x - Step 3: Cross multiply
18,199,362,777.80x = 27,299,044,166.70 × 18,199,362,777.80 - Step 4: Simplify right side
18,199,362,777.80x = 496,825,208,276,958,183,424 - Step 5: Solve for x
x = 496,825,208,276,958,183,424/18,199,362,777.80 - Step 6: Final answer
x = 27,299,044,166.70
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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.