Finding the Fourth Proportional to 620,588,850.54, 930,603,143.69 and 177,830,259.09
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Solution
The fourth proportional to 620,588,850.54, 930,603,143.69 and 177,830,259.09 is: 266,665,116.54
Step by Step Solution
- Step 1: Write the proportion equation
620,588,850.54 : 930,603,143.69 = 177,830,259.09 : x - Step 2: Convert to fraction form
620,588,850.54/930,603,143.69 = 177,830,259.09/x - Step 3: Cross multiply
620,588,850.54x = 930,603,143.69 × 177,830,259.09 - Step 4: Simplify right side
620,588,850.54x = 165,489,398,151,472,032 - Step 5: Solve for x
x = 165,489,398,151,472,032/620,588,850.54 - Step 6: Final answer
x = 266,665,116.54
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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.