Finding the Fourth Proportional to 1,940,305,848.85, 2,909,395,891.27 and 955,566,933.49
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Solution
The fourth proportional to 1,940,305,848.85, 2,909,395,891.27 and 955,566,933.49 is: 1,432,826,949.31
Step by Step Solution
- Step 1: Write the proportion equation
1,940,305,848.85 : 2,909,395,891.27 = 955,566,933.49 : x - Step 2: Convert to fraction form
1,940,305,848.85/2,909,395,891.27 = 955,566,933.49/x - Step 3: Cross multiply
1,940,305,848.85x = 2,909,395,891.27 × 955,566,933.49 - Step 4: Simplify right side
1,940,305,848.85x = 2,780,122,510,129,279,488 - Step 5: Solve for x
x = 2,780,122,510,129,279,488/1,940,305,848.85 - Step 6: Final answer
x = 1,432,826,949.31
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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.