Finding the Fourth Proportional to 348,664,801.12, 481,138,535.28 and 192,001,279.84
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Solution
The fourth proportional to 348,664,801.12, 481,138,535.28 and 192,001,279.84 is: 264,951,363.77
Step by Step Solution
- Step 1: Write the proportion equation
348,664,801.12 : 481,138,535.28 = 192,001,279.84 : x - Step 2: Convert to fraction form
348,664,801.12/481,138,535.28 = 192,001,279.84/x - Step 3: Cross multiply
348,664,801.12x = 481,138,535.28 × 192,001,279.84 - Step 4: Simplify right side
348,664,801.12x = 92,379,214,554,102,992 - Step 5: Solve for x
x = 92,379,214,554,102,992/348,664,801.12 - Step 6: Final answer
x = 264,951,363.77
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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.