Finding the Fourth Proportional to 794,740,274.52, 1,192,219,474.08 and 269,968,489.98
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Solution
The fourth proportional to 794,740,274.52, 1,192,219,474.08 and 269,968,489.98 is: 404,989,782.78
Step by Step Solution
- Step 1: Write the proportion equation
794,740,274.52 : 1,192,219,474.08 = 269,968,489.98 : x - Step 2: Convert to fraction form
794,740,274.52/1,192,219,474.08 = 269,968,489.98/x - Step 3: Cross multiply
794,740,274.52x = 1,192,219,474.08 × 269,968,489.98 - Step 4: Simplify right side
794,740,274.52x = 321,861,691,142,127,360 - Step 5: Solve for x
x = 321,861,691,142,127,360/794,740,274.52 - Step 6: Final answer
x = 404,989,782.78
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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.