Home / 203,370,764,051.89-280,651,700,201.78-111,919,314,874.07

Finding the Fourth Proportional to 203,370,764,051.89, 280,651,700,201.78 and 111,919,314,874.07

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Solution

The fourth proportional to 203,370,764,051.89, 280,651,700,201.78 and 111,919,314,874.07 is: 154,448,679,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,370,764,051.89 : 280,651,700,201.78 = 111,919,314,874.07 : x
  2. Step 2: Convert to fraction form
    203,370,764,051.89/280,651,700,201.78 = 111,919,314,874.07/x
  3. Step 3: Cross multiply
    203,370,764,051.89x = 280,651,700,201.78 × 111,919,314,874.07
  4. Step 4: Simplify right side
    203,370,764,051.89x = 31,410,346,004,826,116,063,232
  5. Step 5: Solve for x
    x = 31,410,346,004,826,116,063,232/203,370,764,051.89
  6. Step 6: Final answer
    x = 154,448,679,736.54

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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.