Finding the Fourth Proportional to 1,409,192,162.06, 1,944,685,121.96 and 782,718,882.44
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Solution
The fourth proportional to 1,409,192,162.06, 1,944,685,121.96 and 782,718,882.44 is: 1,080,152,023.50
Step by Step Solution
- Step 1: Write the proportion equation
1,409,192,162.06 : 1,944,685,121.96 = 782,718,882.44 : x - Step 2: Convert to fraction form
1,409,192,162.06/1,944,685,121.96 = 782,718,882.44/x - Step 3: Cross multiply
1,409,192,162.06x = 1,944,685,121.96 × 782,718,882.44 - Step 4: Simplify right side
1,409,192,162.06x = 1,522,141,765,350,459,648 - Step 5: Solve for x
x = 1,522,141,765,350,459,648/1,409,192,162.06 - Step 6: Final answer
x = 1,080,152,023.50
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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.