Finding the Fourth Proportional to 569,497,819.76, 853,787,021.69 and 523,529,474.23
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Solution
The fourth proportional to 569,497,819.76, 853,787,021.69 and 523,529,474.23 is: 784,871,609.78
Step by Step Solution
- Step 1: Write the proportion equation
569,497,819.76 : 853,787,021.69 = 523,529,474.23 : x - Step 2: Convert to fraction form
569,497,819.76/853,787,021.69 = 523,529,474.23/x - Step 3: Cross multiply
569,497,819.76x = 853,787,021.69 × 523,529,474.23 - Step 4: Simplify right side
569,497,819.76x = 446,982,670,565,011,200 - Step 5: Solve for x
x = 446,982,670,565,011,200/569,497,819.76 - Step 6: Final answer
x = 784,871,609.78
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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.