Finding the Fourth Proportional to 996,236,540.04, 1,374,715,949.94 and 556,122,405
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Solution
The fourth proportional to 996,236,540.04, 1,374,715,949.94 and 556,122,405 is: 767,398,413.47
Step by Step Solution
- Step 1: Write the proportion equation
996,236,540.04 : 1,374,715,949.94 = 556,122,405 : x - Step 2: Convert to fraction form
996,236,540.04/1,374,715,949.94 = 556,122,405/x - Step 3: Cross multiply
996,236,540.04x = 1,374,715,949.94 × 556,122,405 - Step 4: Simplify right side
996,236,540.04x = 764,510,340,272,492,416 - Step 5: Solve for x
x = 764,510,340,272,492,416/996,236,540.04 - Step 6: Final answer
x = 767,398,413.47
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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.