Finding the Fourth Proportional to 2,281,886,248.32, 3,149,000,634.41 and 1,278,310,879.97
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Solution
The fourth proportional to 2,281,886,248.32, 3,149,000,634.41 and 1,278,310,879.97 is: 1,764,067,676.45
Step by Step Solution
- Step 1: Write the proportion equation
2,281,886,248.32 : 3,149,000,634.41 = 1,278,310,879.97 : x - Step 2: Convert to fraction form
2,281,886,248.32/3,149,000,634.41 = 1,278,310,879.97/x - Step 3: Cross multiply
2,281,886,248.32x = 3,149,000,634.41 × 1,278,310,879.97 - Step 4: Simplify right side
2,281,886,248.32x = 4,025,401,771,986,185,728 - Step 5: Solve for x
x = 4,025,401,771,986,185,728/2,281,886,248.32 - Step 6: Final answer
x = 1,764,067,676.45
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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.