Home / 28,689,530,258.22-39,604,248,717.69-18,533,211,323.49

Finding the Fourth Proportional to 28,689,530,258.22, 39,604,248,717.69 and 18,533,211,323.49

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Solution

The fourth proportional to 28,689,530,258.22, 39,604,248,717.69 and 18,533,211,323.49 is: 25,584,033,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,530,258.22 : 39,604,248,717.69 = 18,533,211,323.49 : x
  2. Step 2: Convert to fraction form
    28,689,530,258.22/39,604,248,717.69 = 18,533,211,323.49/x
  3. Step 3: Cross multiply
    28,689,530,258.22x = 39,604,248,717.69 × 18,533,211,323.49
  4. Step 4: Simplify right side
    28,689,530,258.22x = 733,993,910,793,006,743,552
  5. Step 5: Solve for x
    x = 733,993,910,793,006,743,552/28,689,530,258.22
  6. Step 6: Final answer
    x = 25,584,033,763.77

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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.