Finding the Fourth Proportional to 923,696,617.70, 1,274,691,186.42 and 500,299,752.68
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Solution
The fourth proportional to 923,696,617.70, 1,274,691,186.42 and 500,299,752.68 is: 690,408,163.34
Step by Step Solution
- Step 1: Write the proportion equation
923,696,617.70 : 1,274,691,186.42 = 500,299,752.68 : x - Step 2: Convert to fraction form
923,696,617.70/1,274,691,186.42 = 500,299,752.68/x - Step 3: Cross multiply
923,696,617.70x = 1,274,691,186.42 × 500,299,752.68 - Step 4: Simplify right side
923,696,617.70x = 637,727,685,309,301,760 - Step 5: Solve for x
x = 637,727,685,309,301,760/923,696,617.70 - Step 6: Final answer
x = 690,408,163.34
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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.