Finding the Fourth Proportional to 349,669,891.13, 482,531,799.57 and 193,033,634.78
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Solution
The fourth proportional to 349,669,891.13, 482,531,799.57 and 193,033,634.78 is: 266,379,432.52
Step by Step Solution
- Step 1: Write the proportion equation
349,669,891.13 : 482,531,799.57 = 193,033,634.78 : x - Step 2: Convert to fraction form
349,669,891.13/482,531,799.57 = 193,033,634.78/x - Step 3: Cross multiply
349,669,891.13x = 482,531,799.57 × 193,033,634.78 - Step 4: Simplify right side
349,669,891.13x = 93,144,867,167,931,536 - Step 5: Solve for x
x = 93,144,867,167,931,536/349,669,891.13 - Step 6: Final answer
x = 266,379,432.52
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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.