Home / 283,308,554,704.34-390,964,856,311.05-154,849,928,915.18

Finding the Fourth Proportional to 283,308,554,704.34, 390,964,856,311.05 and 154,849,928,915.18

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Solution

The fourth proportional to 283,308,554,704.34, 390,964,856,311.05 and 154,849,928,915.18 is: 213,692,383,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,308,554,704.34 : 390,964,856,311.05 = 154,849,928,915.18 : x
  2. Step 2: Convert to fraction form
    283,308,554,704.34/390,964,856,311.05 = 154,849,928,915.18/x
  3. Step 3: Cross multiply
    283,308,554,704.34x = 390,964,856,311.05 × 154,849,928,915.18
  4. Step 4: Simplify right side
    283,308,554,704.34x = 60,540,880,208,099,650,043,904
  5. Step 5: Solve for x
    x = 60,540,880,208,099,650,043,904/283,308,554,704.34
  6. Step 6: Final answer
    x = 213,692,383,102.52

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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.