Finding the Fourth Proportional to 797,302,811.80, 1,195,954,217.70 and 797,302,811.80
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Solution
The fourth proportional to 797,302,811.80, 1,195,954,217.70 and 797,302,811.80 is: 1,195,954,217.70
Step by Step Solution
- Step 1: Write the proportion equation
797,302,811.80 : 1,195,954,217.70 = 797,302,811.80 : x - Step 2: Convert to fraction form
797,302,811.80/1,195,954,217.70 = 797,302,811.80/x - Step 3: Cross multiply
797,302,811.80x = 1,195,954,217.70 × 797,302,811.80 - Step 4: Simplify right side
797,302,811.80x = 953,537,660,556,279,296 - Step 5: Solve for x
x = 953,537,660,556,279,296/797,302,811.80 - Step 6: Final answer
x = 1,195,954,217.70
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Double scale
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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.