Finding the Fourth Proportional to 1,964,866,045.50, 2,711,752,912.21 and 1,118,299,198.55
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Solution
The fourth proportional to 1,964,866,045.50, 2,711,752,912.21 and 1,118,299,198.55 is: 1,543,388,219.94
Step by Step Solution
- Step 1: Write the proportion equation
1,964,866,045.50 : 2,711,752,912.21 = 1,118,299,198.55 : x - Step 2: Convert to fraction form
1,964,866,045.50/2,711,752,912.21 = 1,118,299,198.55/x - Step 3: Cross multiply
1,964,866,045.50x = 2,711,752,912.21 × 1,118,299,198.55 - Step 4: Simplify right side
1,964,866,045.50x = 3,032,551,108,381,880,832 - Step 5: Solve for x
x = 3,032,551,108,381,880,832/1,964,866,045.50 - Step 6: Final answer
x = 1,543,388,219.94
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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.