Finding the Fourth Proportional to 1,881,352,652.20, 2,821,846,626.84 and 571,266,220.44
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Solution
The fourth proportional to 1,881,352,652.20, 2,821,846,626.84 and 571,266,220.44 is: 856,843,960.27
Step by Step Solution
- Step 1: Write the proportion equation
1,881,352,652.20 : 2,821,846,626.84 = 571,266,220.44 : x - Step 2: Convert to fraction form
1,881,352,652.20/2,821,846,626.84 = 571,266,220.44/x - Step 3: Cross multiply
1,881,352,652.20x = 2,821,846,626.84 × 571,266,220.44 - Step 4: Simplify right side
1,881,352,652.20x = 1,612,025,657,176,250,112 - Step 5: Solve for x
x = 1,612,025,657,176,250,112/1,881,352,652.20 - Step 6: Final answer
x = 856,843,960.27
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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.