Finding the Fourth Proportional to 568,624,744.44, 784,732,459.41 and 317,735,226.77
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Solution
The fourth proportional to 568,624,744.44, 784,732,459.41 and 317,735,226.77 is: 438,491,550.67
Step by Step Solution
- Step 1: Write the proportion equation
568,624,744.44 : 784,732,459.41 = 317,735,226.77 : x - Step 2: Convert to fraction form
568,624,744.44/784,732,459.41 = 317,735,226.77/x - Step 3: Cross multiply
568,624,744.44x = 784,732,459.41 × 317,735,226.77 - Step 4: Simplify right side
568,624,744.44x = 249,337,145,940,492,480 - Step 5: Solve for x
x = 249,337,145,940,492,480/568,624,744.44 - Step 6: Final answer
x = 438,491,550.67
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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.