Finding the Fourth Proportional to 327,118,328.20, 490,260,698.70 and 173,837,816.20
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Solution
The fourth proportional to 327,118,328.20, 490,260,698.70 and 173,837,816.20 is: 260,535,231.09
Step by Step Solution
- Step 1: Write the proportion equation
327,118,328.20 : 490,260,698.70 = 173,837,816.20 : x - Step 2: Convert to fraction form
327,118,328.20/490,260,698.70 = 173,837,816.20/x - Step 3: Cross multiply
327,118,328.20x = 490,260,698.70 × 173,837,816.20 - Step 4: Simplify right side
327,118,328.20x = 85,225,849,230,694,176 - Step 5: Solve for x
x = 85,225,849,230,694,176/327,118,328.20 - Step 6: Final answer
x = 260,535,231.09
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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.