Finding the Fourth Proportional to 891,598,620.80, 1,337,397,931.20 and 236,548,380.80
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Solution
The fourth proportional to 891,598,620.80, 1,337,397,931.20 and 236,548,380.80 is: 354,822,571.20
Step by Step Solution
- Step 1: Write the proportion equation
891,598,620.80 : 1,337,397,931.20 = 236,548,380.80 : x - Step 2: Convert to fraction form
891,598,620.80/1,337,397,931.20 = 236,548,380.80/x - Step 3: Cross multiply
891,598,620.80x = 1,337,397,931.20 × 236,548,380.80 - Step 4: Simplify right side
891,598,620.80x = 316,359,315,110,629,824 - Step 5: Solve for x
x = 316,359,315,110,629,824/891,598,620.80 - Step 6: Final answer
x = 354,822,571.20
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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.