Finding the Fourth Proportional to 1,984,620,360.54, 2,977,012,696.86 and 585,604,604.70
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Solution
The fourth proportional to 1,984,620,360.54, 2,977,012,696.86 and 585,604,604.70 is: 878,431,148.95
Step by Step Solution
- Step 1: Write the proportion equation
1,984,620,360.54 : 2,977,012,696.86 = 585,604,604.70 : x - Step 2: Convert to fraction form
1,984,620,360.54/2,977,012,696.86 = 585,604,604.70/x - Step 3: Cross multiply
1,984,620,360.54x = 2,977,012,696.86 × 585,604,604.70 - Step 4: Simplify right side
1,984,620,360.54x = 1,743,352,343,531,581,440 - Step 5: Solve for x
x = 1,743,352,343,531,581,440/1,984,620,360.54 - Step 6: Final answer
x = 878,431,148.95
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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.