Finding the Fourth Proportional to 3,326,919,101.60, 4,990,378,652.40 and 873,504,010.40
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Solution
The fourth proportional to 3,326,919,101.60, 4,990,378,652.40 and 873,504,010.40 is: 1,310,256,015.60
Step by Step Solution
- Step 1: Write the proportion equation
3,326,919,101.60 : 4,990,378,652.40 = 873,504,010.40 : x - Step 2: Convert to fraction form
3,326,919,101.60/4,990,378,652.40 = 873,504,010.40/x - Step 3: Cross multiply
3,326,919,101.60x = 4,990,378,652.40 × 873,504,010.40 - Step 4: Simplify right side
3,326,919,101.60x = 4,359,115,766,285,946,880 - Step 5: Solve for x
x = 4,359,115,766,285,946,880/3,326,919,101.60 - Step 6: Final answer
x = 1,310,256,015.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.