Finding the Fourth Proportional to 568,749,169.25, 784,898,093.01 and 317,853,553.68
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Solution
The fourth proportional to 568,749,169.25, 784,898,093.01 and 317,853,553.68 is: 438,651,450.64
Step by Step Solution
- Step 1: Write the proportion equation
568,749,169.25 : 784,898,093.01 = 317,853,553.68 : x - Step 2: Convert to fraction form
568,749,169.25/784,898,093.01 = 317,853,553.68/x - Step 3: Cross multiply
568,749,169.25x = 784,898,093.01 × 317,853,553.68 - Step 4: Simplify right side
568,749,169.25x = 249,482,648,141,075,616 - Step 5: Solve for x
x = 249,482,648,141,075,616/568,749,169.25 - Step 6: Final answer
x = 438,651,450.64
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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.