Finding the Fourth Proportional to 1,281,983,676.48, 1,922,972,524.68 and 842,102,985.60
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Solution
The fourth proportional to 1,281,983,676.48, 1,922,972,524.68 and 842,102,985.60 is: 1,263,152,514.32
Step by Step Solution
- Step 1: Write the proportion equation
1,281,983,676.48 : 1,922,972,524.68 = 842,102,985.60 : x - Step 2: Convert to fraction form
1,281,983,676.48/1,922,972,524.68 = 842,102,985.60/x - Step 3: Cross multiply
1,281,983,676.48x = 1,922,972,524.68 × 842,102,985.60 - Step 4: Simplify right side
1,281,983,676.48x = 1,619,340,904,259,797,760 - Step 5: Solve for x
x = 1,619,340,904,259,797,760/1,281,983,676.48 - Step 6: Final answer
x = 1,263,152,514.32
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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.