Finding the Fourth Proportional to 18,802,455,183.80, 28,203,682,775.70 and 13,292,474,895.80
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Solution
The fourth proportional to 18,802,455,183.80, 28,203,682,775.70 and 13,292,474,895.80 is: 19,938,712,343.70
Step by Step Solution
- Step 1: Write the proportion equation
18,802,455,183.80 : 28,203,682,775.70 = 13,292,474,895.80 : x - Step 2: Convert to fraction form
18,802,455,183.80/28,203,682,775.70 = 13,292,474,895.80/x - Step 3: Cross multiply
18,802,455,183.80x = 28,203,682,775.70 × 13,292,474,895.80 - Step 4: Simplify right side
18,802,455,183.80x = 374,896,745,265,099,112,448 - Step 5: Solve for x
x = 374,896,745,265,099,112,448/18,802,455,183.80 - Step 6: Final answer
x = 19,938,712,343.70
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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.