Home / 283,308,554,747.53-390,964,856,370.62-154,849,928,958.36

Finding the Fourth Proportional to 283,308,554,747.53, 390,964,856,370.62 and 154,849,928,958.36

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Solution

The fourth proportional to 283,308,554,747.53, 390,964,856,370.62 and 154,849,928,958.36 is: 213,692,383,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,308,554,747.53 : 390,964,856,370.62 = 154,849,928,958.36 : x
  2. Step 2: Convert to fraction form
    283,308,554,747.53/390,964,856,370.62 = 154,849,928,958.36/x
  3. Step 3: Cross multiply
    283,308,554,747.53x = 390,964,856,370.62 × 154,849,928,958.36
  4. Step 4: Simplify right side
    283,308,554,747.53x = 60,540,880,234,205,920,886,784
  5. Step 5: Solve for x
    x = 60,540,880,234,205,920,886,784/283,308,554,747.53
  6. Step 6: Final answer
    x = 213,692,383,162.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.