Finding the Fourth Proportional to 1,692,416,673, 2,335,534,997.81 and 949,860,735.75
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Solution
The fourth proportional to 1,692,416,673, 2,335,534,997.81 and 949,860,735.75 is: 1,310,807,809.20
Step by Step Solution
- Step 1: Write the proportion equation
1,692,416,673 : 2,335,534,997.81 = 949,860,735.75 : x - Step 2: Convert to fraction form
1,692,416,673/2,335,534,997.81 = 949,860,735.75/x - Step 3: Cross multiply
1,692,416,673x = 2,335,534,997.81 × 949,860,735.75 - Step 4: Simplify right side
1,692,416,673x = 2,218,432,991,384,931,840 - Step 5: Solve for x
x = 2,218,432,991,384,931,840/1,692,416,673 - Step 6: Final answer
x = 1,310,807,809.20
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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.