Finding the Fourth Proportional to 228,439,040,354.12, 315,248,732,317.02 and 125,567,391,505.32
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Solution
The fourth proportional to 228,439,040,354.12, 315,248,732,317.02 and 125,567,391,505.32 is: 173,284,570,496.55
Step by Step Solution
- Step 1: Write the proportion equation
228,439,040,354.12 : 315,248,732,317.02 = 125,567,391,505.32 : x - Step 2: Convert to fraction form
228,439,040,354.12/315,248,732,317.02 = 125,567,391,505.32/x - Step 3: Cross multiply
228,439,040,354.12x = 315,248,732,317.02 × 125,567,391,505.32 - Step 4: Simplify right side
228,439,040,354.12x = 39,584,960,992,407,082,500,096 - Step 5: Solve for x
x = 39,584,960,992,407,082,500,096/228,439,040,354.12 - Step 6: Final answer
x = 173,284,570,496.55
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1.5x scale
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.