Finding the Fourth Proportional to 481,519,163.23, 721,052,602.38 and 317,258,929.20
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Solution
The fourth proportional to 481,519,163.23, 721,052,602.38 and 317,258,929.20 is: 475,080,524.31
Step by Step Solution
- Step 1: Write the proportion equation
481,519,163.23 : 721,052,602.38 = 317,258,929.20 : x - Step 2: Convert to fraction form
481,519,163.23/721,052,602.38 = 317,258,929.20/x - Step 3: Cross multiply
481,519,163.23x = 721,052,602.38 × 317,258,929.20 - Step 4: Simplify right side
481,519,163.23x = 228,760,376,530,656,128 - Step 5: Solve for x
x = 228,760,376,530,656,128/481,519,163.23 - Step 6: Final answer
x = 475,080,524.31
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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.