Finding the Fourth Proportional to 3,848,571,388.80, 5,311,028,517.12 and 2,088,438,796.80
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Solution
The fourth proportional to 3,848,571,388.80, 5,311,028,517.12 and 2,088,438,796.80 is: 2,882,045,539.90
Step by Step Solution
- Step 1: Write the proportion equation
3,848,571,388.80 : 5,311,028,517.12 = 2,088,438,796.80 : x - Step 2: Convert to fraction form
3,848,571,388.80/5,311,028,517.12 = 2,088,438,796.80/x - Step 3: Cross multiply
3,848,571,388.80x = 5,311,028,517.12 × 2,088,438,796.80 - Step 4: Simplify right side
3,848,571,388.80x = 11,091,758,006,064,580,608 - Step 5: Solve for x
x = 11,091,758,006,064,580,608/3,848,571,388.80 - Step 6: Final answer
x = 2,882,045,539.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.