Finding the Fourth Proportional to 400,642,174.28, 600,992,479.68 and 124,258,299.68
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Solution
The fourth proportional to 400,642,174.28, 600,992,479.68 and 124,258,299.68 is: 186,396,511.50
Step by Step Solution
- Step 1: Write the proportion equation
400,642,174.28 : 600,992,479.68 = 124,258,299.68 : x - Step 2: Convert to fraction form
400,642,174.28/600,992,479.68 = 124,258,299.68/x - Step 3: Cross multiply
400,642,174.28x = 600,992,479.68 × 124,258,299.68 - Step 4: Simplify right side
400,642,174.28x = 74,678,303,645,503,744 - Step 5: Solve for x
x = 74,678,303,645,503,744/400,642,174.28 - Step 6: Final answer
x = 186,396,511.50
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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.