Finding the Fourth Proportional to 1,609,632,251.70, 2,414,448,377.55 and 460,774,907.70
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Solution
The fourth proportional to 1,609,632,251.70, 2,414,448,377.55 and 460,774,907.70 is: 691,162,361.55
Step by Step Solution
- Step 1: Write the proportion equation
1,609,632,251.70 : 2,414,448,377.55 = 460,774,907.70 : x - Step 2: Convert to fraction form
1,609,632,251.70/2,414,448,377.55 = 460,774,907.70/x - Step 3: Cross multiply
1,609,632,251.70x = 2,414,448,377.55 × 460,774,907.70 - Step 4: Simplify right side
1,609,632,251.70x = 1,112,517,228,312,016,000 - Step 5: Solve for x
x = 1,112,517,228,312,016,000/1,609,632,251.70 - Step 6: Final answer
x = 691,162,361.55
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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.