Finding the Fourth Proportional to 475,471,203.40, 664,299,195.80 and 475,471,203.40
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Solution
The fourth proportional to 475,471,203.40, 664,299,195.80 and 475,471,203.40 is: 664,299,195.80
Step by Step Solution
- Step 1: Write the proportion equation
475,471,203.40 : 664,299,195.80 = 475,471,203.40 : x - Step 2: Convert to fraction form
475,471,203.40/664,299,195.80 = 475,471,203.40/x - Step 3: Cross multiply
475,471,203.40x = 664,299,195.80 × 475,471,203.40 - Step 4: Simplify right side
475,471,203.40x = 315,855,138,044,678,208 - Step 5: Solve for x
x = 315,855,138,044,678,208/475,471,203.40 - Step 6: Final answer
x = 664,299,195.80
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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.