Finding the Fourth Proportional to 291,255,228.90, 436,882,843.35 and 269,084,297.70
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Solution
The fourth proportional to 291,255,228.90, 436,882,843.35 and 269,084,297.70 is: 403,626,446.55
Step by Step Solution
- Step 1: Write the proportion equation
291,255,228.90 : 436,882,843.35 = 269,084,297.70 : x - Step 2: Convert to fraction form
291,255,228.90/436,882,843.35 = 269,084,297.70/x - Step 3: Cross multiply
291,255,228.90x = 436,882,843.35 × 269,084,297.70 - Step 4: Simplify right side
291,255,228.90x = 117,558,313,080,013,872 - Step 5: Solve for x
x = 117,558,313,080,013,872/291,255,228.90 - Step 6: Final answer
x = 403,626,446.55
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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.