Finding the Fourth Proportional to 481,157,816.74, 664,297,679.27 and 330,709,526.84
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Solution
The fourth proportional to 481,157,816.74, 664,297,679.27 and 330,709,526.84 is: 456,585,269.01
Step by Step Solution
- Step 1: Write the proportion equation
481,157,816.74 : 664,297,679.27 = 330,709,526.84 : x - Step 2: Convert to fraction form
481,157,816.74/664,297,679.27 = 330,709,526.84/x - Step 3: Cross multiply
481,157,816.74x = 664,297,679.27 × 330,709,526.84 - Step 4: Simplify right side
481,157,816.74x = 219,689,571,192,291,744 - Step 5: Solve for x
x = 219,689,571,192,291,744/481,157,816.74 - Step 6: Final answer
x = 456,585,269.01
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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.