Finding the Fourth Proportional to 1,348,247,244.80, 2,022,370,867.20 and 378,898,860.80
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Solution
The fourth proportional to 1,348,247,244.80, 2,022,370,867.20 and 378,898,860.80 is: 568,348,291.20
Step by Step Solution
- Step 1: Write the proportion equation
1,348,247,244.80 : 2,022,370,867.20 = 378,898,860.80 : x - Step 2: Convert to fraction form
1,348,247,244.80/2,022,370,867.20 = 378,898,860.80/x - Step 3: Cross multiply
1,348,247,244.80x = 2,022,370,867.20 × 378,898,860.80 - Step 4: Simplify right side
1,348,247,244.80x = 766,274,017,697,188,096 - Step 5: Solve for x
x = 766,274,017,697,188,096/1,348,247,244.80 - Step 6: Final answer
x = 568,348,291.20
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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.