Finding the Fourth Proportional to 313,138,793.64, 432,079,646 and 180,992,118
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Solution
The fourth proportional to 313,138,793.64, 432,079,646 and 180,992,118 is: 249,739,131.22
Step by Step Solution
- Step 1: Write the proportion equation
313,138,793.64 : 432,079,646 = 180,992,118 : x - Step 2: Convert to fraction form
313,138,793.64/432,079,646 = 180,992,118/x - Step 3: Cross multiply
313,138,793.64x = 432,079,646 × 180,992,118 - Step 4: Simplify right side
313,138,793.64x = 78,203,010,274,230,224 - Step 5: Solve for x
x = 78,203,010,274,230,224/313,138,793.64 - Step 6: Final answer
x = 249,739,131.22
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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.