Finding the Fourth Proportional to 7,972,820,198.60, 11,956,460,825.97 and 4,436,957,516.49
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Solution
The fourth proportional to 7,972,820,198.60, 11,956,460,825.97 and 4,436,957,516.49 is: 6,653,895,034.75
Step by Step Solution
- Step 1: Write the proportion equation
7,972,820,198.60 : 11,956,460,825.97 = 4,436,957,516.49 : x - Step 2: Convert to fraction form
7,972,820,198.60/11,956,460,825.97 = 4,436,957,516.49/x - Step 3: Cross multiply
7,972,820,198.60x = 11,956,460,825.97 × 4,436,957,516.49 - Step 4: Simplify right side
7,972,820,198.60x = 53,050,308,732,405,817,344 - Step 5: Solve for x
x = 53,050,308,732,405,817,344/7,972,820,198.60 - Step 6: Final answer
x = 6,653,895,034.75
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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.