Finding the Fourth Proportional to 410,355,906.18, 615,571,698.93 and 134,008,568.74
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Solution
The fourth proportional to 410,355,906.18, 615,571,698.93 and 134,008,568.74 is: 201,025,210.28
Step by Step Solution
- Step 1: Write the proportion equation
410,355,906.18 : 615,571,698.93 = 134,008,568.74 : x - Step 2: Convert to fraction form
410,355,906.18/615,571,698.93 = 134,008,568.74/x - Step 3: Cross multiply
410,355,906.18x = 615,571,698.93 × 134,008,568.74 - Step 4: Simplify right side
410,355,906.18x = 82,491,882,330,459,472 - Step 5: Solve for x
x = 82,491,882,330,459,472/410,355,906.18 - Step 6: Final answer
x = 201,025,210.28
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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.