Finding the Fourth Proportional to 798,960,797.75, 1,198,441,196.63 and 224,532,125.75
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Solution
The fourth proportional to 798,960,797.75, 1,198,441,196.63 and 224,532,125.75 is: 336,798,188.63
Step by Step Solution
- Step 1: Write the proportion equation
798,960,797.75 : 1,198,441,196.63 = 224,532,125.75 : x - Step 2: Convert to fraction form
798,960,797.75/1,198,441,196.63 = 224,532,125.75/x - Step 3: Cross multiply
798,960,797.75x = 1,198,441,196.63 × 224,532,125.75 - Step 4: Simplify right side
798,960,797.75x = 269,088,549,465,707,648 - Step 5: Solve for x
x = 269,088,549,465,707,648/798,960,797.75 - Step 6: Final answer
x = 336,798,188.63
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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.