Finding the Fourth Proportional to 324,127,540.62, 447,128,622.99 and 219,669,888.78
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Solution
The fourth proportional to 324,127,540.62, 447,128,622.99 and 219,669,888.78 is: 303,031,006.54
Step by Step Solution
- Step 1: Write the proportion equation
324,127,540.62 : 447,128,622.99 = 219,669,888.78 : x - Step 2: Convert to fraction form
324,127,540.62/447,128,622.99 = 219,669,888.78/x - Step 3: Cross multiply
324,127,540.62x = 447,128,622.99 × 219,669,888.78 - Step 4: Simplify right side
324,127,540.62x = 98,220,694,882,567,856 - Step 5: Solve for x
x = 98,220,694,882,567,856/324,127,540.62 - Step 6: Final answer
x = 303,031,006.54
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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.