Finding the Fourth Proportional to 1,967,630,867.46, 2,951,446,301.39 and 657,532,919.95
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Solution
The fourth proportional to 1,967,630,867.46, 2,951,446,301.39 and 657,532,919.95 is: 986,299,379.99
Step by Step Solution
- Step 1: Write the proportion equation
1,967,630,867.46 : 2,951,446,301.39 = 657,532,919.95 : x - Step 2: Convert to fraction form
1,967,630,867.46/2,951,446,301.39 = 657,532,919.95/x - Step 3: Cross multiply
1,967,630,867.46x = 2,951,446,301.39 × 657,532,919.95 - Step 4: Simplify right side
1,967,630,867.46x = 1,940,673,104,622,859,520 - Step 5: Solve for x
x = 1,940,673,104,622,859,520/1,967,630,867.46 - Step 6: Final answer
x = 986,299,379.99
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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.