Finding the Fourth Proportional to 338,782,593.04, 467,256,396.35 and 245,048,358.06
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Solution
The fourth proportional to 338,782,593.04, 467,256,396.35 and 245,048,358.06 is: 337,976,079.86
Step by Step Solution
- Step 1: Write the proportion equation
338,782,593.04 : 467,256,396.35 = 245,048,358.06 : x - Step 2: Convert to fraction form
338,782,593.04/467,256,396.35 = 245,048,358.06/x - Step 3: Cross multiply
338,782,593.04x = 467,256,396.35 × 245,048,358.06 - Step 4: Simplify right side
338,782,593.04x = 114,500,412,719,212,704 - Step 5: Solve for x
x = 114,500,412,719,212,704/338,782,593.04 - Step 6: Final answer
x = 337,976,079.86
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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.