Finding the Fourth Proportional to 548,971,778.40, 823,452,418.80 and 134,450,422.80
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Solution
The fourth proportional to 548,971,778.40, 823,452,418.80 and 134,450,422.80 is: 201,674,348.70
Step by Step Solution
- Step 1: Write the proportion equation
548,971,778.40 : 823,452,418.80 = 134,450,422.80 : x - Step 2: Convert to fraction form
548,971,778.40/823,452,418.80 = 134,450,422.80/x - Step 3: Cross multiply
548,971,778.40x = 823,452,418.80 × 134,450,422.80 - Step 4: Simplify right side
548,971,778.40x = 110,713,525,863,342,672 - Step 5: Solve for x
x = 110,713,525,863,342,672/548,971,778.40 - Step 6: Final answer
x = 201,674,348.70
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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.