Finding the Fourth Proportional to 1,223,995,725.06, 1,836,353,804.94 and 394,933,814.74
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Solution
The fourth proportional to 1,223,995,725.06, 1,836,353,804.94 and 394,933,814.74 is: 592,516,949.65
Step by Step Solution
- Step 1: Write the proportion equation
1,223,995,725.06 : 1,836,353,804.94 = 394,933,814.74 : x - Step 2: Convert to fraction form
1,223,995,725.06/1,836,353,804.94 = 394,933,814.74/x - Step 3: Cross multiply
1,223,995,725.06x = 1,836,353,804.94 × 394,933,814.74 - Step 4: Simplify right side
1,223,995,725.06x = 725,238,213,397,268,096 - Step 5: Solve for x
x = 725,238,213,397,268,096/1,223,995,725.06 - Step 6: Final answer
x = 592,516,949.65
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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.