Finding the Fourth Proportional to 1,984,620,352.29, 2,977,012,684.47 and 585,604,596.44
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Solution
The fourth proportional to 1,984,620,352.29, 2,977,012,684.47 and 585,604,596.44 is: 878,431,136.55
Step by Step Solution
- Step 1: Write the proportion equation
1,984,620,352.29 : 2,977,012,684.47 = 585,604,596.44 : x - Step 2: Convert to fraction form
1,984,620,352.29/2,977,012,684.47 = 585,604,596.44/x - Step 3: Cross multiply
1,984,620,352.29x = 2,977,012,684.47 × 585,604,596.44 - Step 4: Simplify right side
1,984,620,352.29x = 1,743,352,311,685,815,552 - Step 5: Solve for x
x = 1,743,352,311,685,815,552/1,984,620,352.29 - Step 6: Final answer
x = 878,431,136.55
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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.