Finding the Fourth Proportional to 2,425,761,715.76, 3,347,551,173.03 and 1,311,927,809.75
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Solution
The fourth proportional to 2,425,761,715.76, 3,347,551,173.03 and 1,311,927,809.75 is: 1,810,460,380.31
Step by Step Solution
- Step 1: Write the proportion equation
2,425,761,715.76 : 3,347,551,173.03 = 1,311,927,809.75 : x - Step 2: Convert to fraction form
2,425,761,715.76/3,347,551,173.03 = 1,311,927,809.75/x - Step 3: Cross multiply
2,425,761,715.76x = 3,347,551,173.03 × 1,311,927,809.75 - Step 4: Simplify right side
2,425,761,715.76x = 4,391,745,478,459,291,648 - Step 5: Solve for x
x = 4,391,745,478,459,291,648/2,425,761,715.76 - Step 6: Final answer
x = 1,810,460,380.31
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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.