Finding the Fourth Proportional to 3,540,753,144.72, 4,886,667,806.99 and 2,015,212,197.47
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Solution
The fourth proportional to 3,540,753,144.72, 4,886,667,806.99 and 2,015,212,197.47 is: 2,781,236,693.75
Step by Step Solution
- Step 1: Write the proportion equation
3,540,753,144.72 : 4,886,667,806.99 = 2,015,212,197.47 : x - Step 2: Convert to fraction form
3,540,753,144.72/4,886,667,806.99 = 2,015,212,197.47/x - Step 3: Cross multiply
3,540,753,144.72x = 4,886,667,806.99 × 2,015,212,197.47 - Step 4: Simplify right side
3,540,753,144.72x = 9,847,672,569,595,713,536 - Step 5: Solve for x
x = 9,847,672,569,595,713,536/3,540,753,144.72 - Step 6: Final answer
x = 2,781,236,693.75
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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.