Finding the Fourth Proportional to 336,287,853.36, 463,664,938.97 and 276,540,352.90
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Solution
The fourth proportional to 336,287,853.36, 463,664,938.97 and 276,540,352.90 is: 381,286,640.50
Step by Step Solution
- Step 1: Write the proportion equation
336,287,853.36 : 463,664,938.97 = 276,540,352.90 : x - Step 2: Convert to fraction form
336,287,853.36/463,664,938.97 = 276,540,352.90/x - Step 3: Cross multiply
336,287,853.36x = 463,664,938.97 × 276,540,352.90 - Step 4: Simplify right side
336,287,853.36x = 128,222,065,849,652,944 - Step 5: Solve for x
x = 128,222,065,849,652,944/336,287,853.36 - Step 6: Final answer
x = 381,286,640.50
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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.