Finding the Fourth Proportional to 475,471,202.40, 664,299,194.40 and 475,471,202.40
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Solution
The fourth proportional to 475,471,202.40, 664,299,194.40 and 475,471,202.40 is: 664,299,194.40
Step by Step Solution
- Step 1: Write the proportion equation
475,471,202.40 : 664,299,194.40 = 475,471,202.40 : x - Step 2: Convert to fraction form
475,471,202.40/664,299,194.40 = 475,471,202.40/x - Step 3: Cross multiply
475,471,202.40x = 664,299,194.40 × 475,471,202.40 - Step 4: Simplify right side
475,471,202.40x = 315,855,136,714,719,296 - Step 5: Solve for x
x = 315,855,136,714,719,296/475,471,202.40 - Step 6: Final answer
x = 664,299,194.40
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.