Finding the Fourth Proportional to 545,935,163.20, 818,902,744.80 and 339,310,902.40
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Solution
The fourth proportional to 545,935,163.20, 818,902,744.80 and 339,310,902.40 is: 508,966,353.60
Step by Step Solution
- Step 1: Write the proportion equation
545,935,163.20 : 818,902,744.80 = 339,310,902.40 : x - Step 2: Convert to fraction form
545,935,163.20/818,902,744.80 = 339,310,902.40/x - Step 3: Cross multiply
545,935,163.20x = 818,902,744.80 × 339,310,902.40 - Step 4: Simplify right side
545,935,163.20x = 277,862,629,315,924,864 - Step 5: Solve for x
x = 277,862,629,315,924,864/545,935,163.20 - Step 6: Final answer
x = 508,966,353.60
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1.5x scale
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.