Finding the Fourth Proportional to 6,332,473,754.78, 8,735,183,073.56 and 3,949,474,512.24
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Solution
The fourth proportional to 6,332,473,754.78, 8,735,183,073.56 and 3,949,474,512.24 is: 5,448,010,405.53
Step by Step Solution
- Step 1: Write the proportion equation
6,332,473,754.78 : 8,735,183,073.56 = 3,949,474,512.24 : x - Step 2: Convert to fraction form
6,332,473,754.78/8,735,183,073.56 = 3,949,474,512.24/x - Step 3: Cross multiply
6,332,473,754.78x = 8,735,183,073.56 × 3,949,474,512.24 - Step 4: Simplify right side
6,332,473,754.78x = 34,499,382,908,755,738,624 - Step 5: Solve for x
x = 34,499,382,908,755,738,624/6,332,473,754.78 - Step 6: Final answer
x = 5,448,010,405.53
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1.5x scale
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.