Finding the Fourth Proportional to 499,879,324.84, 689,780,951.94 and 276,855,163.96
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Solution
The fourth proportional to 499,879,324.84, 689,780,951.94 and 276,855,163.96 is: 382,031,040.41
Step by Step Solution
- Step 1: Write the proportion equation
499,879,324.84 : 689,780,951.94 = 276,855,163.96 : x - Step 2: Convert to fraction form
499,879,324.84/689,780,951.94 = 276,855,163.96/x - Step 3: Cross multiply
499,879,324.84x = 689,780,951.94 × 276,855,163.96 - Step 4: Simplify right side
499,879,324.84x = 190,969,418,545,833,568 - Step 5: Solve for x
x = 190,969,418,545,833,568/499,879,324.84 - Step 6: Final answer
x = 382,031,040.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.