Finding the Fourth Proportional to 351,469,558.76, 485,027,983.38 and 194,836,268.84
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Solution
The fourth proportional to 351,469,558.76, 485,027,983.38 and 194,836,268.84 is: 268,874,046.73
Step by Step Solution
- Step 1: Write the proportion equation
351,469,558.76 : 485,027,983.38 = 194,836,268.84 : x - Step 2: Convert to fraction form
351,469,558.76/485,027,983.38 = 194,836,268.84/x - Step 3: Cross multiply
351,469,558.76x = 485,027,983.38 × 194,836,268.84 - Step 4: Simplify right side
351,469,558.76x = 94,501,042,564,748,736 - Step 5: Solve for x
x = 94,501,042,564,748,736/351,469,558.76 - Step 6: Final answer
x = 268,874,046.73
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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.