Finding the Fourth Proportional to 3,172,313,374.41, 4,377,529,327.49 and 1,743,309,342.12
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Solution
The fourth proportional to 3,172,313,374.41, 4,377,529,327.49 and 1,743,309,342.12 is: 2,405,622,292.42
Step by Step Solution
- Step 1: Write the proportion equation
3,172,313,374.41 : 4,377,529,327.49 = 1,743,309,342.12 : x - Step 2: Convert to fraction form
3,172,313,374.41/4,377,529,327.49 = 1,743,309,342.12/x - Step 3: Cross multiply
3,172,313,374.41x = 4,377,529,327.49 × 1,743,309,342.12 - Step 4: Simplify right side
3,172,313,374.41x = 7,631,387,772,041,639,936 - Step 5: Solve for x
x = 7,631,387,772,041,639,936/3,172,313,374.41 - Step 6: Final answer
x = 2,405,622,292.42
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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.