Finding the Fourth Proportional to 489,172,022.76, 734,080,884.57 and 259,302,532.62
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Solution
The fourth proportional to 489,172,022.76, 734,080,884.57 and 259,302,532.62 is: 389,124,936.96
Step by Step Solution
- Step 1: Write the proportion equation
489,172,022.76 : 734,080,884.57 = 259,302,532.62 : x - Step 2: Convert to fraction form
489,172,022.76/734,080,884.57 = 259,302,532.62/x - Step 3: Cross multiply
489,172,022.76x = 734,080,884.57 × 259,302,532.62 - Step 4: Simplify right side
489,172,022.76x = 190,349,032,516,930,912 - Step 5: Solve for x
x = 190,349,032,516,930,912/489,172,022.76 - Step 6: Final answer
x = 389,124,936.96
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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.