Finding the Fourth Proportional to 799,897,102.20, 1,199,597,540.58 and 282,206,480.76
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Solution
The fourth proportional to 799,897,102.20, 1,199,597,540.58 and 282,206,480.76 is: 423,222,186.11
Step by Step Solution
- Step 1: Write the proportion equation
799,897,102.20 : 1,199,597,540.58 = 282,206,480.76 : x - Step 2: Convert to fraction form
799,897,102.20/1,199,597,540.58 = 282,206,480.76/x - Step 3: Cross multiply
799,897,102.20x = 1,199,597,540.58 × 282,206,480.76 - Step 4: Simplify right side
799,897,102.20x = 338,534,200,255,433,088 - Step 5: Solve for x
x = 338,534,200,255,433,088/799,897,102.20 - Step 6: Final answer
x = 423,222,186.11
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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.