Finding the Fourth Proportional to 3,910,161,885.39, 5,396,217,271.52 and 2,425,528,307.79
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Solution
The fourth proportional to 3,910,161,885.39, 5,396,217,271.52 and 2,425,528,307.79 is: 3,347,349,324.83
Step by Step Solution
- Step 1: Write the proportion equation
3,910,161,885.39 : 5,396,217,271.52 = 2,425,528,307.79 : x - Step 2: Convert to fraction form
3,910,161,885.39/5,396,217,271.52 = 2,425,528,307.79/x - Step 3: Cross multiply
3,910,161,885.39x = 5,396,217,271.52 × 2,425,528,307.79 - Step 4: Simplify right side
3,910,161,885.39x = 13,088,677,747,044,950,016 - Step 5: Solve for x
x = 13,088,677,747,044,950,016/3,910,161,885.39 - Step 6: Final answer
x = 3,347,349,324.83
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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.