Finding the Fourth Proportional to 18,193,130,101.68, 27,289,658,556.63 and 17,086,020,919.14
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Solution
The fourth proportional to 18,193,130,101.68, 27,289,658,556.63 and 17,086,020,919.14 is: 25,628,997,009.80
Step by Step Solution
- Step 1: Write the proportion equation
18,193,130,101.68 : 27,289,658,556.63 = 17,086,020,919.14 : x - Step 2: Convert to fraction form
18,193,130,101.68/27,289,658,556.63 = 17,086,020,919.14/x - Step 3: Cross multiply
18,193,130,101.68x = 27,289,658,556.63 × 17,086,020,919.14 - Step 4: Simplify right side
18,193,130,101.68x = 466,271,676,974,768,062,464 - Step 5: Solve for x
x = 466,271,676,974,768,062,464/18,193,130,101.68 - Step 6: Final answer
x = 25,628,997,009.80
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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.