Home / 18,855,774,087.52-28,288,465,357.84-5,591,516,910.88

Finding the Fourth Proportional to 18,855,774,087.52, 28,288,465,357.84 and 5,591,516,910.88

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Solution

The fourth proportional to 18,855,774,087.52, 28,288,465,357.84 and 5,591,516,910.88 is: 8,388,700,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855,774,087.52 : 28,288,465,357.84 = 5,591,516,910.88 : x
  2. Step 2: Convert to fraction form
    18,855,774,087.52/28,288,465,357.84 = 5,591,516,910.88/x
  3. Step 3: Cross multiply
    18,855,774,087.52x = 28,288,465,357.84 × 5,591,516,910.88
  4. Step 4: Simplify right side
    18,855,774,087.52x = 158,175,432,431,205,416,960
  5. Step 5: Solve for x
    x = 158,175,432,431,205,416,960/18,855,774,087.52
  6. Step 6: Final answer
    x = 8,388,700,018.20

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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.