Finding the Fourth Proportional to 923,696,610.67, 1,274,691,176.79 and 500,299,745.68
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Solution
The fourth proportional to 923,696,610.67, 1,274,691,176.79 and 500,299,745.68 is: 690,408,153.72
Step by Step Solution
- Step 1: Write the proportion equation
923,696,610.67 : 1,274,691,176.79 = 500,299,745.68 : x - Step 2: Convert to fraction form
923,696,610.67/1,274,691,176.79 = 500,299,745.68/x - Step 3: Cross multiply
923,696,610.67x = 1,274,691,176.79 × 500,299,745.68 - Step 4: Simplify right side
923,696,610.67x = 637,727,671,568,576,896 - Step 5: Solve for x
x = 637,727,671,568,576,896/923,696,610.67 - Step 6: Final answer
x = 690,408,153.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.