Finding the Fourth Proportional to 2,481,888,197.52, 3,425,004,877.68 and 1,368,072,892.08
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Solution
The fourth proportional to 2,481,888,197.52, 3,425,004,877.68 and 1,368,072,892.08 is: 1,887,940,130.86
Step by Step Solution
- Step 1: Write the proportion equation
2,481,888,197.52 : 3,425,004,877.68 = 1,368,072,892.08 : x - Step 2: Convert to fraction form
2,481,888,197.52/3,425,004,877.68 = 1,368,072,892.08/x - Step 3: Cross multiply
2,481,888,197.52x = 3,425,004,877.68 × 1,368,072,892.08 - Step 4: Simplify right side
2,481,888,197.52x = 4,685,656,328,395,784,192 - Step 5: Solve for x
x = 4,685,656,328,395,784,192/2,481,888,197.52 - Step 6: Final answer
x = 1,887,940,130.86
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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.