Home / 885,661,768.84-1,328,619,439.50-272,297,495.56

Finding the Fourth Proportional to 885,661,768.84, 1,328,619,439.50 and 272,297,495.56

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Solution

The fourth proportional to 885,661,768.84, 1,328,619,439.50 and 272,297,495.56 is: 408,485,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,661,768.84 : 1,328,619,439.50 = 272,297,495.56 : x
  2. Step 2: Convert to fraction form
    885,661,768.84/1,328,619,439.50 = 272,297,495.56/x
  3. Step 3: Cross multiply
    885,661,768.84x = 1,328,619,439.50 × 272,297,495.56
  4. Step 4: Simplify right side
    885,661,768.84x = 361,779,745,928,180,928
  5. Step 5: Solve for x
    x = 361,779,745,928,180,928/885,661,768.84
  6. Step 6: Final answer
    x = 408,485,223.88

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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.