Home / 20,394,869,096.70-30,592,303,645.05-12,109,491,330.30

Finding the Fourth Proportional to 20,394,869,096.70, 30,592,303,645.05 and 12,109,491,330.30

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Solution

The fourth proportional to 20,394,869,096.70, 30,592,303,645.05 and 12,109,491,330.30 is: 18,164,236,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,869,096.70 : 30,592,303,645.05 = 12,109,491,330.30 : x
  2. Step 2: Convert to fraction form
    20,394,869,096.70/30,592,303,645.05 = 12,109,491,330.30/x
  3. Step 3: Cross multiply
    20,394,869,096.70x = 30,592,303,645.05 × 12,109,491,330.30
  4. Step 4: Simplify right side
    20,394,869,096.70x = 370,457,235,763,638,042,624
  5. Step 5: Solve for x
    x = 370,457,235,763,638,042,624/20,394,869,096.70
  6. Step 6: Final answer
    x = 18,164,236,995.45

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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.