Finding the Fourth Proportional to 705,532,546.26, 973,689,441.03 and 423,285,608.70
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Solution
The fourth proportional to 705,532,546.26, 973,689,441.03 and 423,285,608.70 is: 584,166,853.70
Step by Step Solution
- Step 1: Write the proportion equation
705,532,546.26 : 973,689,441.03 = 423,285,608.70 : x - Step 2: Convert to fraction form
705,532,546.26/973,689,441.03 = 423,285,608.70/x - Step 3: Cross multiply
705,532,546.26x = 973,689,441.03 × 423,285,608.70 - Step 4: Simplify right side
705,532,546.26x = 412,148,727,731,146,304 - Step 5: Solve for x
x = 412,148,727,731,146,304/705,532,546.26 - Step 6: Final answer
x = 584,166,853.70
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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.