Finding the Fourth Proportional to 641,546,896.66, 962,725,160.21 and 273,081,260.59
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Solution
The fourth proportional to 641,546,896.66, 962,725,160.21 and 273,081,260.59 is: 409,794,204.79
Step by Step Solution
- Step 1: Write the proportion equation
641,546,896.66 : 962,725,160.21 = 273,081,260.59 : x - Step 2: Convert to fraction form
641,546,896.66/962,725,160.21 = 273,081,260.59/x - Step 3: Cross multiply
641,546,896.66x = 962,725,160.21 × 273,081,260.59 - Step 4: Simplify right side
641,546,896.66x = 262,902,200,348,084,288 - Step 5: Solve for x
x = 262,902,200,348,084,288/641,546,896.66 - Step 6: Final answer
x = 409,794,204.79
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1.5x scale
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.