Home / 28,689,530,255.21-39,604,248,713.54-18,533,211,320.50

Finding the Fourth Proportional to 28,689,530,255.21, 39,604,248,713.54 and 18,533,211,320.50

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Solution

The fourth proportional to 28,689,530,255.21, 39,604,248,713.54 and 18,533,211,320.50 is: 25,584,033,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,530,255.21 : 39,604,248,713.54 = 18,533,211,320.50 : x
  2. Step 2: Convert to fraction form
    28,689,530,255.21/39,604,248,713.54 = 18,533,211,320.50/x
  3. Step 3: Cross multiply
    28,689,530,255.21x = 39,604,248,713.54 × 18,533,211,320.50
  4. Step 4: Simplify right side
    28,689,530,255.21x = 733,993,910,597,635,014,656
  5. Step 5: Solve for x
    x = 733,993,910,597,635,014,656/28,689,530,255.21
  6. Step 6: Final answer
    x = 25,584,033,759.64

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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.