Finding the Fourth Proportional to 325,545,211.28, 449,141,282.16 and 201,740,715.92
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Solution
The fourth proportional to 325,545,211.28, 449,141,282.16 and 201,740,715.92 is: 278,333,333.35
Step by Step Solution
- Step 1: Write the proportion equation
325,545,211.28 : 449,141,282.16 = 201,740,715.92 : x - Step 2: Convert to fraction form
325,545,211.28/449,141,282.16 = 201,740,715.92/x - Step 3: Cross multiply
325,545,211.28x = 449,141,282.16 × 201,740,715.92 - Step 4: Simplify right side
325,545,211.28x = 90,610,083,812,185,120 - Step 5: Solve for x
x = 90,610,083,812,185,120/325,545,211.28 - Step 6: Final answer
x = 278,333,333.35
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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.