Finding the Fourth Proportional to 2,310,893,816.94, 3,189,033,467.68 and 1,320,840,491.58
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Solution
The fourth proportional to 2,310,893,816.94, 3,189,033,467.68 and 1,320,840,491.58 is: 1,822,759,878.55
Step by Step Solution
- Step 1: Write the proportion equation
2,310,893,816.94 : 3,189,033,467.68 = 1,320,840,491.58 : x - Step 2: Convert to fraction form
2,310,893,816.94/3,189,033,467.68 = 1,320,840,491.58/x - Step 3: Cross multiply
2,310,893,816.94x = 3,189,033,467.68 × 1,320,840,491.58 - Step 4: Simplify right side
2,310,893,816.94x = 4,212,204,533,115,522,560 - Step 5: Solve for x
x = 4,212,204,533,115,522,560/2,310,893,816.94 - Step 6: Final answer
x = 1,822,759,878.55
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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.