Finding the Fourth Proportional to 371,782,894.48, 513,057,556.47 and 204,515,554.12
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Solution
The fourth proportional to 371,782,894.48, 513,057,556.47 and 204,515,554.12 is: 282,229,903.57
Step by Step Solution
- Step 1: Write the proportion equation
371,782,894.48 : 513,057,556.47 = 204,515,554.12 : x - Step 2: Convert to fraction form
371,782,894.48/513,057,556.47 = 204,515,554.12/x - Step 3: Cross multiply
371,782,894.48x = 513,057,556.47 × 204,515,554.12 - Step 4: Simplify right side
371,782,894.48x = 104,928,250,456,915,248 - Step 5: Solve for x
x = 104,928,250,456,915,248/371,782,894.48 - Step 6: Final answer
x = 282,229,903.57
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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.