Finding the Fourth Proportional to 2,728,772,610.30, 4,093,159,308.30 and 658,494,379.80
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Solution
The fourth proportional to 2,728,772,610.30, 4,093,159,308.30 and 658,494,379.80 is: 987,741,664.50
Step by Step Solution
- Step 1: Write the proportion equation
2,728,772,610.30 : 4,093,159,308.30 = 658,494,379.80 : x - Step 2: Convert to fraction form
2,728,772,610.30/4,093,159,308.30 = 658,494,379.80/x - Step 3: Cross multiply
2,728,772,610.30x = 4,093,159,308.30 × 658,494,379.80 - Step 4: Simplify right side
2,728,772,610.30x = 2,695,322,400,141,605,376 - Step 5: Solve for x
x = 2,695,322,400,141,605,376/2,728,772,610.30 - Step 6: Final answer
x = 987,741,664.50
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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.