Finding the Fourth Proportional to 8,489,597,542.80, 12,735,586,994.76 and 2,967,599,602.32
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Solution
The fourth proportional to 8,489,597,542.80, 12,735,586,994.76 and 2,967,599,602.32 is: 4,451,815,614.39
Step by Step Solution
- Step 1: Write the proportion equation
8,489,597,542.80 : 12,735,586,994.76 = 2,967,599,602.32 : x - Step 2: Convert to fraction form
8,489,597,542.80/12,735,586,994.76 = 2,967,599,602.32/x - Step 3: Cross multiply
8,489,597,542.80x = 12,735,586,994.76 × 2,967,599,602.32 - Step 4: Simplify right side
8,489,597,542.80x = 37,794,122,900,961,542,144 - Step 5: Solve for x
x = 37,794,122,900,961,542,144/8,489,597,542.80 - Step 6: Final answer
x = 4,451,815,614.39
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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.