Home / 20,394,869,117.70-30,592,303,676.55-12,109,491,351.30

Finding the Fourth Proportional to 20,394,869,117.70, 30,592,303,676.55 and 12,109,491,351.30

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Solution

The fourth proportional to 20,394,869,117.70, 30,592,303,676.55 and 12,109,491,351.30 is: 18,164,237,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,869,117.70 : 30,592,303,676.55 = 12,109,491,351.30 : x
  2. Step 2: Convert to fraction form
    20,394,869,117.70/30,592,303,676.55 = 12,109,491,351.30/x
  3. Step 3: Cross multiply
    20,394,869,117.70x = 30,592,303,676.55 × 12,109,491,351.30
  4. Step 4: Simplify right side
    20,394,869,117.70x = 370,457,236,787,525,386,240
  5. Step 5: Solve for x
    x = 370,457,236,787,525,386,240/20,394,869,117.70
  6. Step 6: Final answer
    x = 18,164,237,026.95

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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.