Finding the Fourth Proportional to 481,559,939.02, 664,556,117.07 and 261,543,365.02
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Solution
The fourth proportional to 481,559,939.02, 664,556,117.07 and 261,543,365.02 is: 360,931,690.99
Step by Step Solution
- Step 1: Write the proportion equation
481,559,939.02 : 664,556,117.07 = 261,543,365.02 : x - Step 2: Convert to fraction form
481,559,939.02/664,556,117.07 = 261,543,365.02/x - Step 3: Cross multiply
481,559,939.02x = 664,556,117.07 × 261,543,365.02 - Step 4: Simplify right side
481,559,939.02x = 173,810,243,103,112,896 - Step 5: Solve for x
x = 173,810,243,103,112,896/481,559,939.02 - Step 6: Final answer
x = 360,931,690.99
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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.