Finding the Fourth Proportional to 4,259,872,254, 6,389,505,335.70 and 1,311,844,468.44
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Solution
The fourth proportional to 4,259,872,254, 6,389,505,335.70 and 1,311,844,468.44 is: 1,967,673,378.66
Step by Step Solution
- Step 1: Write the proportion equation
4,259,872,254 : 6,389,505,335.70 = 1,311,844,468.44 : x - Step 2: Convert to fraction form
4,259,872,254/6,389,505,335.70 = 1,311,844,468.44/x - Step 3: Cross multiply
4,259,872,254x = 6,389,505,335.70 × 1,311,844,468.44 - Step 4: Simplify right side
4,259,872,254x = 8,382,037,230,705,910,784 - Step 5: Solve for x
x = 8,382,037,230,705,910,784/4,259,872,254 - Step 6: Final answer
x = 1,967,673,378.66
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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.