Finding the Fourth Proportional to 324,247,447.11, 486,372,307.50 and 78,603,082.23
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Solution
The fourth proportional to 324,247,447.11, 486,372,307.50 and 78,603,082.23 is: 117,904,898.93
Step by Step Solution
- Step 1: Write the proportion equation
324,247,447.11 : 486,372,307.50 = 78,603,082.23 : x - Step 2: Convert to fraction form
324,247,447.11/486,372,307.50 = 78,603,082.23/x - Step 3: Cross multiply
324,247,447.11x = 486,372,307.50 × 78,603,082.23 - Step 4: Simplify right side
324,247,447.11x = 38,230,362,480,817,344 - Step 5: Solve for x
x = 38,230,362,480,817,344/324,247,447.11 - Step 6: Final answer
x = 117,904,898.93
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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.