Finding the Fourth Proportional to 2,279,646,959.20, 3,419,470,438.80 and 1,554,052,847.20
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Solution
The fourth proportional to 2,279,646,959.20, 3,419,470,438.80 and 1,554,052,847.20 is: 2,331,079,270.80
Step by Step Solution
- Step 1: Write the proportion equation
2,279,646,959.20 : 3,419,470,438.80 = 1,554,052,847.20 : x - Step 2: Convert to fraction form
2,279,646,959.20/3,419,470,438.80 = 1,554,052,847.20/x - Step 3: Cross multiply
2,279,646,959.20x = 3,419,470,438.80 × 1,554,052,847.20 - Step 4: Simplify right side
2,279,646,959.20x = 5,314,037,771,333,373,952 - Step 5: Solve for x
x = 5,314,037,771,333,373,952/2,279,646,959.20 - Step 6: Final answer
x = 2,331,079,270.80
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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.