Finding the Fourth Proportional to 4,259,872,251, 6,389,505,331.20 and 1,311,844,465.44
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Solution
The fourth proportional to 4,259,872,251, 6,389,505,331.20 and 1,311,844,465.44 is: 1,967,673,374.16
Step by Step Solution
- Step 1: Write the proportion equation
4,259,872,251 : 6,389,505,331.20 = 1,311,844,465.44 : x - Step 2: Convert to fraction form
4,259,872,251/6,389,505,331.20 = 1,311,844,465.44/x - Step 3: Cross multiply
4,259,872,251x = 6,389,505,331.20 × 1,311,844,465.44 - Step 4: Simplify right side
4,259,872,251x = 8,382,037,205,634,094,080 - Step 5: Solve for x
x = 8,382,037,205,634,094,080/4,259,872,251 - Step 6: Final answer
x = 1,967,673,374.16
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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.