Finding the Fourth Proportional to 1,994,323,301.08, 2,991,545,895.08 and 684,206,976.24
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Solution
The fourth proportional to 1,994,323,301.08, 2,991,545,895.08 and 684,206,976.24 is: 1,026,331,372.68
Step by Step Solution
- Step 1: Write the proportion equation
1,994,323,301.08 : 2,991,545,895.08 = 684,206,976.24 : x - Step 2: Convert to fraction form
1,994,323,301.08/2,991,545,895.08 = 684,206,976.24/x - Step 3: Cross multiply
1,994,323,301.08x = 2,991,545,895.08 × 684,206,976.24 - Step 4: Simplify right side
1,994,323,301.08x = 2,046,836,571,155,870,976 - Step 5: Solve for x
x = 2,046,836,571,155,870,976/1,994,323,301.08 - Step 6: Final answer
x = 1,026,331,372.68
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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.