Finding the Fourth Proportional to 2,399,691,678.93, 3,595,606,771.74 and 1,278,024,446.49
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Solution
The fourth proportional to 2,399,691,678.93, 3,595,606,771.74 and 1,278,024,446.49 is: 1,914,943,238.17
Step by Step Solution
- Step 1: Write the proportion equation
2,399,691,678.93 : 3,595,606,771.74 = 1,278,024,446.49 : x - Step 2: Convert to fraction form
2,399,691,678.93/3,595,606,771.74 = 1,278,024,446.49/x - Step 3: Cross multiply
2,399,691,678.93x = 3,595,606,771.74 × 1,278,024,446.49 - Step 4: Simplify right side
2,399,691,678.93x = 4,595,273,354,248,709,120 - Step 5: Solve for x
x = 4,595,273,354,248,709,120/2,399,691,678.93 - Step 6: Final answer
x = 1,914,943,238.17
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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.