Finding the Fourth Proportional to 3,538,467,415.20, 5,307,701,122.80 and 3,320,364,028.80
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Solution
The fourth proportional to 3,538,467,415.20, 5,307,701,122.80 and 3,320,364,028.80 is: 4,980,546,043.20
Step by Step Solution
- Step 1: Write the proportion equation
3,538,467,415.20 : 5,307,701,122.80 = 3,320,364,028.80 : x - Step 2: Convert to fraction form
3,538,467,415.20/5,307,701,122.80 = 3,320,364,028.80/x - Step 3: Cross multiply
3,538,467,415.20x = 5,307,701,122.80 × 3,320,364,028.80 - Step 4: Simplify right side
3,538,467,415.20x = 17,623,499,883,766,493,184 - Step 5: Solve for x
x = 17,623,499,883,766,493,184/3,538,467,415.20 - Step 6: Final answer
x = 4,980,546,043.20
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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.