Finding the Fourth Proportional to 391,668,193,192.47, 587,770,652,580.50 and 136,697,576,674.02
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Solution
The fourth proportional to 391,668,193,192.47, 587,770,652,580.50 and 136,697,576,674.02 is: 205,140,027,309.75
Step by Step Solution
- Step 1: Write the proportion equation
391,668,193,192.47 : 587,770,652,580.50 = 136,697,576,674.02 : x - Step 2: Convert to fraction form
391,668,193,192.47/587,770,652,580.50 = 136,697,576,674.02/x - Step 3: Cross multiply
391,668,193,192.47x = 587,770,652,580.50 × 136,697,576,674.02 - Step 4: Simplify right side
391,668,193,192.47x = 80,346,823,847,861,670,641,664 - Step 5: Solve for x
x = 80,346,823,847,861,670,641,664/391,668,193,192.47 - Step 6: Final answer
x = 205,140,027,309.75
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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.