Finding the Fourth Proportional to 895,777,154.28, 1,236,702,742.20 and 796,383,368.40
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Solution
The fourth proportional to 895,777,154.28, 1,236,702,742.20 and 796,383,368.40 is: 1,099,480,479.98
Step by Step Solution
- Step 1: Write the proportion equation
895,777,154.28 : 1,236,702,742.20 = 796,383,368.40 : x - Step 2: Convert to fraction form
895,777,154.28/1,236,702,742.20 = 796,383,368.40/x - Step 3: Cross multiply
895,777,154.28x = 1,236,702,742.20 × 796,383,368.40 - Step 4: Simplify right side
895,777,154.28x = 984,889,495,542,752,896 - Step 5: Solve for x
x = 984,889,495,542,752,896/895,777,154.28 - Step 6: Final answer
x = 1,099,480,479.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.