Finding the Fourth Proportional to 3,291,734,742.09, 4,542,605,836.83 and 1,786,360,766.19
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Solution
The fourth proportional to 3,291,734,742.09, 4,542,605,836.83 and 1,786,360,766.19 is: 2,465,184,311.31
Step by Step Solution
- Step 1: Write the proportion equation
3,291,734,742.09 : 4,542,605,836.83 = 1,786,360,766.19 : x - Step 2: Convert to fraction form
3,291,734,742.09/4,542,605,836.83 = 1,786,360,766.19/x - Step 3: Cross multiply
3,291,734,742.09x = 4,542,605,836.83 × 1,786,360,766.19 - Step 4: Simplify right side
3,291,734,742.09x = 8,114,732,843,178,805,248 - Step 5: Solve for x
x = 8,114,732,843,178,805,248/3,291,734,742.09 - Step 6: Final answer
x = 2,465,184,311.31
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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.