Finding the Fourth Proportional to 373,781,264.40, 515,823,556.84 and 206,521,373.84
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Solution
The fourth proportional to 373,781,264.40, 515,823,556.84 and 206,521,373.84 is: 285,002,486.12
Step by Step Solution
- Step 1: Write the proportion equation
373,781,264.40 : 515,823,556.84 = 206,521,373.84 : x - Step 2: Convert to fraction form
373,781,264.40/515,823,556.84 = 206,521,373.84/x - Step 3: Cross multiply
373,781,264.40x = 515,823,556.84 × 206,521,373.84 - Step 4: Simplify right side
373,781,264.40x = 106,528,589,617,632,128 - Step 5: Solve for x
x = 106,528,589,617,632,128/373,781,264.40 - Step 6: Final answer
x = 285,002,486.12
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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.