Finding the Fourth Proportional to 1,741,871,999.70, 2,612,807,999.55 and 774,413,183.70
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Solution
The fourth proportional to 1,741,871,999.70, 2,612,807,999.55 and 774,413,183.70 is: 1,161,619,775.55
Step by Step Solution
- Step 1: Write the proportion equation
1,741,871,999.70 : 2,612,807,999.55 = 774,413,183.70 : x - Step 2: Convert to fraction form
1,741,871,999.70/2,612,807,999.55 = 774,413,183.70/x - Step 3: Cross multiply
1,741,871,999.70x = 2,612,807,999.55 × 774,413,183.70 - Step 4: Simplify right side
1,741,871,999.70x = 2,023,392,961,328,344,064 - Step 5: Solve for x
x = 2,023,392,961,328,344,064/1,741,871,999.70 - Step 6: Final answer
x = 1,161,619,775.55
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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.