Finding the Fourth Proportional to 496,723,461.68, 685,447,491.26 and 273,692,662.28
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Solution
The fourth proportional to 496,723,461.68, 685,447,491.26 and 273,692,662.28 is: 377,678,855.96
Step by Step Solution
- Step 1: Write the proportion equation
496,723,461.68 : 685,447,491.26 = 273,692,662.28 : x - Step 2: Convert to fraction form
496,723,461.68/685,447,491.26 = 273,692,662.28/x - Step 3: Cross multiply
496,723,461.68x = 685,447,491.26 × 273,692,662.28 - Step 4: Simplify right side
496,723,461.68x = 187,601,948,736,096,416 - Step 5: Solve for x
x = 187,601,948,736,096,416/496,723,461.68 - Step 6: Final answer
x = 377,678,855.96
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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.