Home / 20,155,408,928.20-30,233,113,392.30-18,317,237,177.80

Finding the Fourth Proportional to 20,155,408,928.20, 30,233,113,392.30 and 18,317,237,177.80

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Solution

The fourth proportional to 20,155,408,928.20, 30,233,113,392.30 and 18,317,237,177.80 is: 27,475,855,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,928.20 : 30,233,113,392.30 = 18,317,237,177.80 : x
  2. Step 2: Convert to fraction form
    20,155,408,928.20/30,233,113,392.30 = 18,317,237,177.80/x
  3. Step 3: Cross multiply
    20,155,408,928.20x = 30,233,113,392.30 × 18,317,237,177.80
  4. Step 4: Simplify right side
    20,155,408,928.20x = 553,787,108,630,080,585,728
  5. Step 5: Solve for x
    x = 553,787,108,630,080,585,728/20,155,408,928.20
  6. Step 6: Final answer
    x = 27,475,855,766.70

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1.5x scale

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.