Finding the Fourth Proportional to 616,122,187.76, 923,988,162.36 and 201,503,210.96
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Solution
The fourth proportional to 616,122,187.76, 923,988,162.36 and 201,503,210.96 is: 302,191,002.54
Step by Step Solution
- Step 1: Write the proportion equation
616,122,187.76 : 923,988,162.36 = 201,503,210.96 : x - Step 2: Convert to fraction form
616,122,187.76/923,988,162.36 = 201,503,210.96/x - Step 3: Cross multiply
616,122,187.76x = 923,988,162.36 × 201,503,210.96 - Step 4: Simplify right side
616,122,187.76x = 186,186,581,604,569,824 - Step 5: Solve for x
x = 186,186,581,604,569,824/616,122,187.76 - Step 6: Final answer
x = 302,191,002.54
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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.