Finding the Fourth Proportional to 892,568,590.40, 1,336,207,490.40 and 663,552,948.80
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Solution
The fourth proportional to 892,568,590.40, 1,336,207,490.40 and 663,552,948.80 is: 993,362,784.66
Step by Step Solution
- Step 1: Write the proportion equation
892,568,590.40 : 1,336,207,490.40 = 663,552,948.80 : x - Step 2: Convert to fraction form
892,568,590.40/1,336,207,490.40 = 663,552,948.80/x - Step 3: Cross multiply
892,568,590.40x = 1,336,207,490.40 × 663,552,948.80 - Step 4: Simplify right side
892,568,590.40x = 886,644,420,463,567,744 - Step 5: Solve for x
x = 886,644,420,463,567,744/892,568,590.40 - Step 6: Final answer
x = 993,362,784.66
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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.