Finding the Fourth Proportional to 6,325,918,940.67, 8,729,579,133.47 and 3,467,963,431.52
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Solution
The fourth proportional to 6,325,918,940.67, 8,729,579,133.47 and 3,467,963,431.52 is: 4,785,685,920.31
Step by Step Solution
- Step 1: Write the proportion equation
6,325,918,940.67 : 8,729,579,133.47 = 3,467,963,431.52 : x - Step 2: Convert to fraction form
6,325,918,940.67/8,729,579,133.47 = 3,467,963,431.52/x - Step 3: Cross multiply
6,325,918,940.67x = 8,729,579,133.47 × 3,467,963,431.52 - Step 4: Simplify right side
6,325,918,940.67x = 30,273,861,207,416,668,160 - Step 5: Solve for x
x = 30,273,861,207,416,668,160/6,325,918,940.67 - Step 6: Final answer
x = 4,785,685,920.31
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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.