Finding the Fourth Proportional to 3,278,152,048.24, 4,917,236,470.44 and 1,339,455,280.24
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Solution
The fourth proportional to 3,278,152,048.24, 4,917,236,470.44 and 1,339,455,280.24 is: 2,009,186,351.82
Step by Step Solution
- Step 1: Write the proportion equation
3,278,152,048.24 : 4,917,236,470.44 = 1,339,455,280.24 : x - Step 2: Convert to fraction form
3,278,152,048.24/4,917,236,470.44 = 1,339,455,280.24/x - Step 3: Cross multiply
3,278,152,048.24x = 4,917,236,470.44 × 1,339,455,280.24 - Step 4: Simplify right side
3,278,152,048.24x = 6,586,418,354,519,558,144 - Step 5: Solve for x
x = 6,586,418,354,519,558,144/3,278,152,048.24 - Step 6: Final answer
x = 2,009,186,351.82
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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.