Home / 1,255,238,408.34-1,883,129,992.83-381,817,076.58

Finding the Fourth Proportional to 1,255,238,408.34, 1,883,129,992.83 and 381,817,076.58

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Solution

The fourth proportional to 1,255,238,408.34, 1,883,129,992.83 and 381,817,076.58 is: 572,808,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,238,408.34 : 1,883,129,992.83 = 381,817,076.58 : x
  2. Step 2: Convert to fraction form
    1,255,238,408.34/1,883,129,992.83 = 381,817,076.58/x
  3. Step 3: Cross multiply
    1,255,238,408.34x = 1,883,129,992.83 × 381,817,076.58
  4. Step 4: Simplify right side
    1,255,238,408.34x = 719,011,188,682,466,944
  5. Step 5: Solve for x
    x = 719,011,188,682,466,944/1,255,238,408.34
  6. Step 6: Final answer
    x = 572,808,467.22

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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.