Finding the Fourth Proportional to 664,310,316.40, 996,465,474.60 and 295,844,556.40
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Solution
The fourth proportional to 664,310,316.40, 996,465,474.60 and 295,844,556.40 is: 443,766,834.60
Step by Step Solution
- Step 1: Write the proportion equation
664,310,316.40 : 996,465,474.60 = 295,844,556.40 : x - Step 2: Convert to fraction form
664,310,316.40/996,465,474.60 = 295,844,556.40/x - Step 3: Cross multiply
664,310,316.40x = 996,465,474.60 × 295,844,556.40 - Step 4: Simplify right side
664,310,316.40x = 294,798,886,300,952,448 - Step 5: Solve for x
x = 294,798,886,300,952,448/664,310,316.40 - Step 6: Final answer
x = 443,766,834.60
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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.