Finding the Fourth Proportional to 1,463,260,920.44, 2,019,302,937.42 and 868,664,651
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Solution
The fourth proportional to 1,463,260,920.44, 2,019,302,937.42 and 868,664,651 is: 1,198,758,920.50
Step by Step Solution
- Step 1: Write the proportion equation
1,463,260,920.44 : 2,019,302,937.42 = 868,664,651 : x - Step 2: Convert to fraction form
1,463,260,920.44/2,019,302,937.42 = 868,664,651/x - Step 3: Cross multiply
1,463,260,920.44x = 2,019,302,937.42 × 868,664,651 - Step 4: Simplify right side
1,463,260,920.44x = 1,754,097,081,397,219,328 - Step 5: Solve for x
x = 1,754,097,081,397,219,328/1,463,260,920.44 - Step 6: Final answer
x = 1,198,758,920.50
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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.