Finding the Fourth Proportional to 620,588,845.28, 930,603,135.80 and 177,830,253.83
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Solution
The fourth proportional to 620,588,845.28, 930,603,135.80 and 177,830,253.83 is: 266,665,108.65
Step by Step Solution
- Step 1: Write the proportion equation
620,588,845.28 : 930,603,135.80 = 177,830,253.83 : x - Step 2: Convert to fraction form
620,588,845.28/930,603,135.80 = 177,830,253.83/x - Step 3: Cross multiply
620,588,845.28x = 930,603,135.80 × 177,830,253.83 - Step 4: Simplify right side
620,588,845.28x = 165,489,391,857,079,040 - Step 5: Solve for x
x = 165,489,391,857,079,040/620,588,845.28 - Step 6: Final answer
x = 266,665,108.65
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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.