Home / 438,061,135-657,737,646.18-244,351,021.72

Finding the Fourth Proportional to 438,061,135, 657,737,646.18 and 244,351,021.72

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Solution

The fourth proportional to 438,061,135, 657,737,646.18 and 244,351,021.72 is: 366,886,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,061,135 : 657,737,646.18 = 244,351,021.72 : x
  2. Step 2: Convert to fraction form
    438,061,135/657,737,646.18 = 244,351,021.72/x
  3. Step 3: Cross multiply
    438,061,135x = 657,737,646.18 × 244,351,021.72
  4. Step 4: Simplify right side
    438,061,135x = 160,718,865,867,790,848
  5. Step 5: Solve for x
    x = 160,718,865,867,790,848/438,061,135
  6. Step 6: Final answer
    x = 366,886,840.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.