Finding the Fourth Proportional to 481,559,938.02, 664,556,115.69 and 261,543,364.02
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Solution
The fourth proportional to 481,559,938.02, 664,556,115.69 and 261,543,364.02 is: 360,931,689.61
Step by Step Solution
- Step 1: Write the proportion equation
481,559,938.02 : 664,556,115.69 = 261,543,364.02 : x - Step 2: Convert to fraction form
481,559,938.02/664,556,115.69 = 261,543,364.02/x - Step 3: Cross multiply
481,559,938.02x = 664,556,115.69 × 261,543,364.02 - Step 4: Simplify right side
481,559,938.02x = 173,810,242,077,626,912 - Step 5: Solve for x
x = 173,810,242,077,626,912/481,559,938.02 - Step 6: Final answer
x = 360,931,689.61
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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.