Finding the Fourth Proportional to 7,907,277,565.67, 10,912,013,106.30 and 4,339,044,184.70
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Solution
The fourth proportional to 7,907,277,565.67, 10,912,013,106.30 and 4,339,044,184.70 is: 5,987,864,548.70
Step by Step Solution
- Step 1: Write the proportion equation
7,907,277,565.67 : 10,912,013,106.30 = 4,339,044,184.70 : x - Step 2: Convert to fraction form
7,907,277,565.67/10,912,013,106.30 = 4,339,044,184.70/x - Step 3: Cross multiply
7,907,277,565.67x = 10,912,013,106.30 × 4,339,044,184.70 - Step 4: Simplify right side
7,907,277,565.67x = 47,347,707,012,206,632,960 - Step 5: Solve for x
x = 47,347,707,012,206,632,960/7,907,277,565.67 - Step 6: Final answer
x = 5,987,864,548.70
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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.