Finding the Fourth Proportional to 2,447,770,121.40, 3,672,371,468.34 and 789,645,507.96
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Solution
The fourth proportional to 2,447,770,121.40, 3,672,371,468.34 and 789,645,507.96 is: 1,184,699,334.38
Step by Step Solution
- Step 1: Write the proportion equation
2,447,770,121.40 : 3,672,371,468.34 = 789,645,507.96 : x - Step 2: Convert to fraction form
2,447,770,121.40/3,672,371,468.34 = 789,645,507.96/x - Step 3: Cross multiply
2,447,770,121.40x = 3,672,371,468.34 × 789,645,507.96 - Step 4: Simplify right side
2,447,770,121.40x = 2,899,871,633,535,150,592 - Step 5: Solve for x
x = 2,899,871,633,535,150,592/2,447,770,121.40 - Step 6: Final answer
x = 1,184,699,334.38
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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.