Finding the Fourth Proportional to 362,008,695.60, 499,821,936.12 and 338,880,383.28
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Solution
The fourth proportional to 362,008,695.60, 499,821,936.12 and 338,880,383.28 is: 467,888,896.99
Step by Step Solution
- Step 1: Write the proportion equation
362,008,695.60 : 499,821,936.12 = 338,880,383.28 : x - Step 2: Convert to fraction form
362,008,695.60/499,821,936.12 = 338,880,383.28/x - Step 3: Cross multiply
362,008,695.60x = 499,821,936.12 × 338,880,383.28 - Step 4: Simplify right side
362,008,695.60x = 169,379,849,284,097,248 - Step 5: Solve for x
x = 169,379,849,284,097,248/362,008,695.60 - Step 6: Final answer
x = 467,888,896.99
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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.