Finding the Fourth Proportional to 996,590,021.34, 1,493,481,529.26 and 762,514,507.98
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Solution
The fourth proportional to 996,590,021.34, 1,493,481,529.26 and 762,514,507.98 is: 1,142,697,908.95
Step by Step Solution
- Step 1: Write the proportion equation
996,590,021.34 : 1,493,481,529.26 = 762,514,507.98 : x - Step 2: Convert to fraction form
996,590,021.34/1,493,481,529.26 = 762,514,507.98/x - Step 3: Cross multiply
996,590,021.34x = 1,493,481,529.26 × 762,514,507.98 - Step 4: Simplify right side
996,590,021.34x = 1,138,801,333,460,906,880 - Step 5: Solve for x
x = 1,138,801,333,460,906,880/996,590,021.34 - Step 6: Final answer
x = 1,142,697,908.95
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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.