Finding the Fourth Proportional to 481,180,564.09, 664,011,416.50 and 261,159,266.17
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Solution
The fourth proportional to 481,180,564.09, 664,011,416.50 and 261,159,266.17 is: 360,390,147.07
Step by Step Solution
- Step 1: Write the proportion equation
481,180,564.09 : 664,011,416.50 = 261,159,266.17 : x - Step 2: Convert to fraction form
481,180,564.09/664,011,416.50 = 261,159,266.17/x - Step 3: Cross multiply
481,180,564.09x = 664,011,416.50 × 261,159,266.17 - Step 4: Simplify right side
481,180,564.09x = 173,412,734,261,642,208 - Step 5: Solve for x
x = 173,412,734,261,642,208/481,180,564.09 - Step 6: Final answer
x = 360,390,147.07
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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.