Finding the Fourth Proportional to 1,542,568,556.18, 2,129,396,065.90 and 1,041,456,201.50
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Solution
The fourth proportional to 1,542,568,556.18, 2,129,396,065.90 and 1,041,456,201.50 is: 1,437,649,386.41
Step by Step Solution
- Step 1: Write the proportion equation
1,542,568,556.18 : 2,129,396,065.90 = 1,041,456,201.50 : x - Step 2: Convert to fraction form
1,542,568,556.18/2,129,396,065.90 = 1,041,456,201.50/x - Step 3: Cross multiply
1,542,568,556.18x = 2,129,396,065.90 × 1,041,456,201.50 - Step 4: Simplify right side
1,542,568,556.18x = 2,217,672,738,281,257,728 - Step 5: Solve for x
x = 2,217,672,738,281,257,728/1,542,568,556.18 - Step 6: Final answer
x = 1,437,649,386.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.