Finding the Fourth Proportional to 2,161,844,249.20, 2,983,349,460.02 and 1,171,770,336.88
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Solution
The fourth proportional to 2,161,844,249.20, 2,983,349,460.02 and 1,171,770,336.88 is: 1,617,045,447.70
Step by Step Solution
- Step 1: Write the proportion equation
2,161,844,249.20 : 2,983,349,460.02 = 1,171,770,336.88 : x - Step 2: Convert to fraction form
2,161,844,249.20/2,983,349,460.02 = 1,171,770,336.88/x - Step 3: Cross multiply
2,161,844,249.20x = 2,983,349,460.02 × 1,171,770,336.88 - Step 4: Simplify right side
2,161,844,249.20x = 3,495,800,401,798,402,048 - Step 5: Solve for x
x = 3,495,800,401,798,402,048/2,161,844,249.20 - Step 6: Final answer
x = 1,617,045,447.70
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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.