Home / 28,889,555,798.70-39,726,212,773.78-25,072,451,840.12

Finding the Fourth Proportional to 28,889,555,798.70, 39,726,212,773.78 and 25,072,451,840.12

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Solution

The fourth proportional to 28,889,555,798.70, 39,726,212,773.78 and 25,072,451,840.12 is: 34,477,288,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,555,798.70 : 39,726,212,773.78 = 25,072,451,840.12 : x
  2. Step 2: Convert to fraction form
    28,889,555,798.70/39,726,212,773.78 = 25,072,451,840.12/x
  3. Step 3: Cross multiply
    28,889,555,798.70x = 39,726,212,773.78 × 25,072,451,840.12
  4. Step 4: Simplify right side
    28,889,555,798.70x = 996,033,556,561,128,325,120
  5. Step 5: Solve for x
    x = 996,033,556,561,128,325,120/28,889,555,798.70
  6. Step 6: Final answer
    x = 34,477,288,730.27

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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.