Finding the Fourth Proportional to 456,035,199.36, 629,311,715.15 and 247,186,857.98
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Solution
The fourth proportional to 456,035,199.36, 629,311,715.15 and 247,186,857.98 is: 341,108,725.32
Step by Step Solution
- Step 1: Write the proportion equation
456,035,199.36 : 629,311,715.15 = 247,186,857.98 : x - Step 2: Convert to fraction form
456,035,199.36/629,311,715.15 = 247,186,857.98/x - Step 3: Cross multiply
456,035,199.36x = 629,311,715.15 × 247,186,857.98 - Step 4: Simplify right side
456,035,199.36x = 155,557,585,553,550,752 - Step 5: Solve for x
x = 155,557,585,553,550,752/456,035,199.36 - Step 6: Final answer
x = 341,108,725.32
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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.