Finding the Fourth Proportional to 3,952,758,862.70, 5,929,180,815.84 and 1,192,411,806.38
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Solution
The fourth proportional to 3,952,758,862.70, 5,929,180,815.84 and 1,192,411,806.38 is: 1,788,630,536.94
Step by Step Solution
- Step 1: Write the proportion equation
3,952,758,862.70 : 5,929,180,815.84 = 1,192,411,806.38 : x - Step 2: Convert to fraction form
3,952,758,862.70/5,929,180,815.84 = 1,192,411,806.38/x - Step 3: Cross multiply
3,952,758,862.70x = 5,929,180,815.84 × 1,192,411,806.38 - Step 4: Simplify right side
3,952,758,862.70x = 7,070,025,206,969,417,728 - Step 5: Solve for x
x = 7,070,025,206,969,417,728/3,952,758,862.70 - Step 6: Final answer
x = 1,788,630,536.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.