Finding the Fourth Proportional to 887,397,245.24, 1,224,571,409.16 and 485,509,022.24
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Solution
The fourth proportional to 887,397,245.24, 1,224,571,409.16 and 485,509,022.24 is: 669,982,322.70
Step by Step Solution
- Step 1: Write the proportion equation
887,397,245.24 : 1,224,571,409.16 = 485,509,022.24 : x - Step 2: Convert to fraction form
887,397,245.24/1,224,571,409.16 = 485,509,022.24/x - Step 3: Cross multiply
887,397,245.24x = 1,224,571,409.16 × 485,509,022.24 - Step 4: Simplify right side
887,397,245.24x = 594,540,467,524,330,624 - Step 5: Solve for x
x = 594,540,467,524,330,624/887,397,245.24 - Step 6: Final answer
x = 669,982,322.70
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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.