Finding the Fourth Proportional to 922,276,512.10, 1,383,414,768.15 and 833,313,288.70
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Solution
The fourth proportional to 922,276,512.10, 1,383,414,768.15 and 833,313,288.70 is: 1,249,969,933.05
Step by Step Solution
- Step 1: Write the proportion equation
922,276,512.10 : 1,383,414,768.15 = 833,313,288.70 : x - Step 2: Convert to fraction form
922,276,512.10/1,383,414,768.15 = 833,313,288.70/x - Step 3: Cross multiply
922,276,512.10x = 1,383,414,768.15 × 833,313,288.70 - Step 4: Simplify right side
922,276,512.10x = 1,152,817,910,083,224,704 - Step 5: Solve for x
x = 1,152,817,910,083,224,704/922,276,512.10 - Step 6: Final answer
x = 1,249,969,933.05
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1.5x scale
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.