Finding the Fourth Proportional to 1,283,194,926.24, 1,770,761,581.20 and 696,471,465.12
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Solution
The fourth proportional to 1,283,194,926.24, 1,770,761,581.20 and 696,471,465.12 is: 961,104,885.64
Step by Step Solution
- Step 1: Write the proportion equation
1,283,194,926.24 : 1,770,761,581.20 = 696,471,465.12 : x - Step 2: Convert to fraction form
1,283,194,926.24/1,770,761,581.20 = 696,471,465.12/x - Step 3: Cross multiply
1,283,194,926.24x = 1,770,761,581.20 × 696,471,465.12 - Step 4: Simplify right side
1,283,194,926.24x = 1,233,284,912,836,571,904 - Step 5: Solve for x
x = 1,233,284,912,836,571,904/1,283,194,926.24 - Step 6: Final answer
x = 961,104,885.64
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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.