Finding the Fourth Proportional to 1,813,859,478,202.30, 2,503,125,984,189.40 and 979,567,088,284.10
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Solution
The fourth proportional to 1,813,859,478,202.30, 2,503,125,984,189.40 and 979,567,088,284.10 is: 1,351,802,530,133.60
Step by Step Solution
- Step 1: Write the proportion equation
1,813,859,478,202.30 : 2,503,125,984,189.40 = 979,567,088,284.10 : x - Step 2: Convert to fraction form
1,813,859,478,202.30/2,503,125,984,189.40 = 979,567,088,284.10/x - Step 3: Cross multiply
1,813,859,478,202.30x = 2,503,125,984,189.40 × 979,567,088,284.10 - Step 4: Simplify right side
1,813,859,478,202.30x = 2,451,979,831,940,682,770,022,400 - Step 5: Solve for x
x = 2,451,979,831,940,682,770,022,400/1,813,859,478,202.30 - Step 6: Final answer
x = 1,351,802,530,133.60
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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.