Finding the Fourth Proportional to 80,765,568,029.80, 121,148,352,044.70 and 80,765,568,029.80
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Solution
The fourth proportional to 80,765,568,029.80, 121,148,352,044.70 and 80,765,568,029.80 is: 121,148,352,044.70
Step by Step Solution
- Step 1: Write the proportion equation
80,765,568,029.80 : 121,148,352,044.70 = 80,765,568,029.80 : x - Step 2: Convert to fraction form
80,765,568,029.80/121,148,352,044.70 = 80,765,568,029.80/x - Step 3: Cross multiply
80,765,568,029.80x = 121,148,352,044.70 × 80,765,568,029.80 - Step 4: Simplify right side
80,765,568,029.80x = 9,784,615,468,764,378,431,488 - Step 5: Solve for x
x = 9,784,615,468,764,378,431,488/80,765,568,029.80 - Step 6: Final answer
x = 121,148,352,044.70
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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.