Finding the Fourth Proportional to 412,397,767.97, 569,104,918.65 and 224,226,059.36
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Solution
The fourth proportional to 412,397,767.97, 569,104,918.65 and 224,226,059.36 is: 309,429,786.43
Step by Step Solution
- Step 1: Write the proportion equation
412,397,767.97 : 569,104,918.65 = 224,226,059.36 : x - Step 2: Convert to fraction form
412,397,767.97/569,104,918.65 = 224,226,059.36/x - Step 3: Cross multiply
412,397,767.97x = 569,104,918.65 × 224,226,059.36 - Step 4: Simplify right side
412,397,767.97x = 127,608,153,268,437,328 - Step 5: Solve for x
x = 127,608,153,268,437,328/412,397,767.97 - Step 6: Final answer
x = 309,429,786.43
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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.