Finding the Fourth Proportional to 1,551,720,194,198, 2,327,580,291,297.20 and 916,970,465,020.45
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Solution
The fourth proportional to 1,551,720,194,198, 2,327,580,291,297.20 and 916,970,465,020.45 is: 1,375,455,697,530.79
Step by Step Solution
- Step 1: Write the proportion equation
1,551,720,194,198 : 2,327,580,291,297.20 = 916,970,465,020.45 : x - Step 2: Convert to fraction form
1,551,720,194,198/2,327,580,291,297.20 = 916,970,465,020.45/x - Step 3: Cross multiply
1,551,720,194,198x = 2,327,580,291,297.20 × 916,970,465,020.45 - Step 4: Simplify right side
1,551,720,194,198x = 2,134,322,382,083,228,048,556,032 - Step 5: Solve for x
x = 2,134,322,382,083,228,048,556,032/1,551,720,194,198 - Step 6: Final answer
x = 1,375,455,697,530.79
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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.