Finding the Fourth Proportional to 252,605,220.30, 378,907,830.45 and 184,580,772.30
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Solution
The fourth proportional to 252,605,220.30, 378,907,830.45 and 184,580,772.30 is: 276,871,158.45
Step by Step Solution
- Step 1: Write the proportion equation
252,605,220.30 : 378,907,830.45 = 184,580,772.30 : x - Step 2: Convert to fraction form
252,605,220.30/378,907,830.45 = 184,580,772.30/x - Step 3: Cross multiply
252,605,220.30x = 378,907,830.45 × 184,580,772.30 - Step 4: Simplify right side
252,605,220.30x = 69,939,099,974,978,456 - Step 5: Solve for x
x = 69,939,099,974,978,456/252,605,220.30 - Step 6: Final answer
x = 276,871,158.45
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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.