Finding the Fourth Proportional to 1,135,296,466.80, 1,702,944,700.20 and 273,653,458.80
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Solution
The fourth proportional to 1,135,296,466.80, 1,702,944,700.20 and 273,653,458.80 is: 410,480,188.20
Step by Step Solution
- Step 1: Write the proportion equation
1,135,296,466.80 : 1,702,944,700.20 = 273,653,458.80 : x - Step 2: Convert to fraction form
1,135,296,466.80/1,702,944,700.20 = 273,653,458.80/x - Step 3: Cross multiply
1,135,296,466.80x = 1,702,944,700.20 × 273,653,458.80 - Step 4: Simplify right side
1,135,296,466.80x = 466,016,707,354,859,072 - Step 5: Solve for x
x = 466,016,707,354,859,072/1,135,296,466.80 - Step 6: Final answer
x = 410,480,188.20
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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.