Finding the Fourth Proportional to 743,617,293, 1,115,185,130.29 and 245,515,911.98
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Solution
The fourth proportional to 743,617,293, 1,115,185,130.29 and 245,515,911.98 is: 368,194,361.36
Step by Step Solution
- Step 1: Write the proportion equation
743,617,293 : 1,115,185,130.29 = 245,515,911.98 : x - Step 2: Convert to fraction form
743,617,293/1,115,185,130.29 = 245,515,911.98/x - Step 3: Cross multiply
743,617,293x = 1,115,185,130.29 × 245,515,911.98 - Step 4: Simplify right side
743,617,293x = 273,795,694,289,684,448 - Step 5: Solve for x
x = 273,795,694,289,684,448/743,617,293 - Step 6: Final answer
x = 368,194,361.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.