Finding the Fourth Proportional to 349,669,896.26, 482,531,806.64 and 193,033,639.91
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Solution
The fourth proportional to 349,669,896.26, 482,531,806.64 and 193,033,639.91 is: 266,379,439.59
Step by Step Solution
- Step 1: Write the proportion equation
349,669,896.26 : 482,531,806.64 = 193,033,639.91 : x - Step 2: Convert to fraction form
349,669,896.26/482,531,806.64 = 193,033,639.91/x - Step 3: Cross multiply
349,669,896.26x = 482,531,806.64 × 193,033,639.91 - Step 4: Simplify right side
349,669,896.26x = 93,144,871,004,689,680 - Step 5: Solve for x
x = 93,144,871,004,689,680/349,669,896.26 - Step 6: Final answer
x = 266,379,439.59
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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.