Finding the Fourth Proportional to 550,122,438.91, 759,100,014 and 371,894,067.19
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Solution
The fourth proportional to 550,122,438.91, 759,100,014 and 371,894,067.19 is: 513,167,199.96
Step by Step Solution
- Step 1: Write the proportion equation
550,122,438.91 : 759,100,014 = 371,894,067.19 : x - Step 2: Convert to fraction form
550,122,438.91/759,100,014 = 371,894,067.19/x - Step 3: Cross multiply
550,122,438.91x = 759,100,014 × 371,894,067.19 - Step 4: Simplify right side
550,122,438.91x = 282,304,791,608,548,192 - Step 5: Solve for x
x = 282,304,791,608,548,192/550,122,438.91 - Step 6: Final answer
x = 513,167,199.96
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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.