Home / 619,328,077.20-928,992,115.80-374,440,064.40

Finding the Fourth Proportional to 619,328,077.20, 928,992,115.80 and 374,440,064.40

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Solution

The fourth proportional to 619,328,077.20, 928,992,115.80 and 374,440,064.40 is: 561,660,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,328,077.20 : 928,992,115.80 = 374,440,064.40 : x
  2. Step 2: Convert to fraction form
    619,328,077.20/928,992,115.80 = 374,440,064.40/x
  3. Step 3: Cross multiply
    619,328,077.20x = 928,992,115.80 × 374,440,064.40
  4. Step 4: Simplify right side
    619,328,077.20x = 347,851,867,667,244,224
  5. Step 5: Solve for x
    x = 347,851,867,667,244,224/619,328,077.20
  6. Step 6: Final answer
    x = 561,660,096.60

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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.