Home / 451,079,934.89-675,570,638.36-438,667,466.04

Finding the Fourth Proportional to 451,079,934.89, 675,570,638.36 and 438,667,466.04

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Solution

The fourth proportional to 451,079,934.89, 675,570,638.36 and 438,667,466.04 is: 656,980,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,079,934.89 : 675,570,638.36 = 438,667,466.04 : x
  2. Step 2: Convert to fraction form
    451,079,934.89/675,570,638.36 = 438,667,466.04/x
  3. Step 3: Cross multiply
    451,079,934.89x = 675,570,638.36 × 438,667,466.04
  4. Step 4: Simplify right side
    451,079,934.89x = 296,350,860,061,503,104
  5. Step 5: Solve for x
    x = 296,350,860,061,503,104/451,079,934.89
  6. Step 6: Final answer
    x = 656,980,807.92

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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.