Home / 20,023,395,257.45-27,632,315,723.76-10,867,927,378.75

Finding the Fourth Proportional to 20,023,395,257.45, 27,632,315,723.76 and 10,867,927,378.75

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Solution

The fourth proportional to 20,023,395,257.45, 27,632,315,723.76 and 10,867,927,378.75 is: 14,997,756,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,395,257.45 : 27,632,315,723.76 = 10,867,927,378.75 : x
  2. Step 2: Convert to fraction form
    20,023,395,257.45/27,632,315,723.76 = 10,867,927,378.75/x
  3. Step 3: Cross multiply
    20,023,395,257.45x = 27,632,315,723.76 × 10,867,927,378.75
  4. Step 4: Simplify right side
    20,023,395,257.45x = 300,306,000,592,432,529,408
  5. Step 5: Solve for x
    x = 300,306,000,592,432,529,408/20,023,395,257.45
  6. Step 6: Final answer
    x = 14,997,756,211.23

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1.5x scale

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.