Finding the Fourth Proportional to 4,218,277,126.67, 6,322,986,428.30 and 1,419,273,930.57
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Solution
The fourth proportional to 4,218,277,126.67, 6,322,986,428.30 and 1,419,273,930.57 is: 2,127,420,634.43
Step by Step Solution
- Step 1: Write the proportion equation
4,218,277,126.67 : 6,322,986,428.30 = 1,419,273,930.57 : x - Step 2: Convert to fraction form
4,218,277,126.67/6,322,986,428.30 = 1,419,273,930.57/x - Step 3: Cross multiply
4,218,277,126.67x = 6,322,986,428.30 × 1,419,273,930.57 - Step 4: Simplify right side
4,218,277,126.67x = 8,974,049,801,034,105,856 - Step 5: Solve for x
x = 8,974,049,801,034,105,856/4,218,277,126.67 - Step 6: Final answer
x = 2,127,420,634.43
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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.