Finding the Fourth Proportional to 2,481,888,299.76, 3,425,005,018.20 and 1,368,072,994.32
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Solution
The fourth proportional to 2,481,888,299.76, 3,425,005,018.20 and 1,368,072,994.32 is: 1,887,940,271.63
Step by Step Solution
- Step 1: Write the proportion equation
2,481,888,299.76 : 3,425,005,018.20 = 1,368,072,994.32 : x - Step 2: Convert to fraction form
2,481,888,299.76/3,425,005,018.20 = 1,368,072,994.32/x - Step 3: Cross multiply
2,481,888,299.76x = 3,425,005,018.20 × 1,368,072,994.32 - Step 4: Simplify right side
2,481,888,299.76x = 4,685,656,870,809,900,032 - Step 5: Solve for x
x = 4,685,656,870,809,900,032/2,481,888,299.76 - Step 6: Final answer
x = 1,887,940,271.63
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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.