Home / 20,155,408,937.20-30,233,113,405.80-18,317,237,186.80

Finding the Fourth Proportional to 20,155,408,937.20, 30,233,113,405.80 and 18,317,237,186.80

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Solution

The fourth proportional to 20,155,408,937.20, 30,233,113,405.80 and 18,317,237,186.80 is: 27,475,855,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,937.20 : 30,233,113,405.80 = 18,317,237,186.80 : x
  2. Step 2: Convert to fraction form
    20,155,408,937.20/30,233,113,405.80 = 18,317,237,186.80/x
  3. Step 3: Cross multiply
    20,155,408,937.20x = 30,233,113,405.80 × 18,317,237,186.80
  4. Step 4: Simplify right side
    20,155,408,937.20x = 553,787,109,149,461,315,584
  5. Step 5: Solve for x
    x = 553,787,109,149,461,315,584/20,155,408,937.20
  6. Step 6: Final answer
    x = 27,475,855,780.20

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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.