Finding the Fourth Proportional to 967,940,147.20, 1,451,910,220.80 and 797,879,027.20
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Solution
The fourth proportional to 967,940,147.20, 1,451,910,220.80 and 797,879,027.20 is: 1,196,818,540.80
Step by Step Solution
- Step 1: Write the proportion equation
967,940,147.20 : 1,451,910,220.80 = 797,879,027.20 : x - Step 2: Convert to fraction form
967,940,147.20/1,451,910,220.80 = 797,879,027.20/x - Step 3: Cross multiply
967,940,147.20x = 1,451,910,220.80 × 797,879,027.20 - Step 4: Simplify right side
967,940,147.20x = 1,158,448,714,553,641,216 - Step 5: Solve for x
x = 1,158,448,714,553,641,216/967,940,147.20 - Step 6: Final answer
x = 1,196,818,540.80
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Similar ratio
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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.