Finding the Fourth Proportional to 354,667,351.07, 489,438,022.19 and 193,731,467.58
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Solution
The fourth proportional to 354,667,351.07, 489,438,022.19 and 193,731,467.58 is: 267,347,829.00
Step by Step Solution
- Step 1: Write the proportion equation
354,667,351.07 : 489,438,022.19 = 193,731,467.58 : x - Step 2: Convert to fraction form
354,667,351.07/489,438,022.19 = 193,731,467.58/x - Step 3: Cross multiply
354,667,351.07x = 489,438,022.19 × 193,731,467.58 - Step 4: Simplify right side
354,667,351.07x = 94,819,546,327,352,656 - Step 5: Solve for x
x = 94,819,546,327,352,656/354,667,351.07 - Step 6: Final answer
x = 267,347,829.00
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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.