Finding the Fourth Proportional to 526,626,198.48, 726,468,625.06 and 325,618,818.42
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Solution
The fourth proportional to 526,626,198.48, 726,468,625.06 and 325,618,818.42 is: 449,183,606.88
Step by Step Solution
- Step 1: Write the proportion equation
526,626,198.48 : 726,468,625.06 = 325,618,818.42 : x - Step 2: Convert to fraction form
526,626,198.48/726,468,625.06 = 325,618,818.42/x - Step 3: Cross multiply
526,626,198.48x = 726,468,625.06 × 325,618,818.42 - Step 4: Simplify right side
526,626,198.48x = 236,551,855,311,239,200 - Step 5: Solve for x
x = 236,551,855,311,239,200/526,626,198.48 - Step 6: Final answer
x = 449,183,606.88
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1.5x scale
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.