Finding the Fourth Proportional to 1,205,874,330,497.90, 1,809,345,647,916.30 and 632,054,072,532.08
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Solution
The fourth proportional to 1,205,874,330,497.90, 1,809,345,647,916.30 and 632,054,072,532.08 is: 948,361,082,461.64
Step by Step Solution
- Step 1: Write the proportion equation
1,205,874,330,497.90 : 1,809,345,647,916.30 = 632,054,072,532.08 : x - Step 2: Convert to fraction form
1,205,874,330,497.90/1,809,345,647,916.30 = 632,054,072,532.08/x - Step 3: Cross multiply
1,205,874,330,497.90x = 1,809,345,647,916.30 × 632,054,072,532.08 - Step 4: Simplify right side
1,205,874,330,497.90x = 1,143,604,285,383,692,290,883,584 - Step 5: Solve for x
x = 1,143,604,285,383,692,290,883,584/1,205,874,330,497.90 - Step 6: Final answer
x = 948,361,082,461.64
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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.