Finding the Fourth Proportional to 2,585,716,512.58, 3,879,119,492.52 and 838,782,844.66
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Solution
The fourth proportional to 2,585,716,512.58, 3,879,119,492.52 and 838,782,844.66 is: 1,258,350,970.37
Step by Step Solution
- Step 1: Write the proportion equation
2,585,716,512.58 : 3,879,119,492.52 = 838,782,844.66 : x - Step 2: Convert to fraction form
2,585,716,512.58/3,879,119,492.52 = 838,782,844.66/x - Step 3: Cross multiply
2,585,716,512.58x = 3,879,119,492.52 × 838,782,844.66 - Step 4: Simplify right side
2,585,716,512.58x = 3,253,738,882,711,981,056 - Step 5: Solve for x
x = 3,253,738,882,711,981,056/2,585,716,512.58 - Step 6: Final answer
x = 1,258,350,970.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.