Home / 1,109,801,028.34-1,664,500,383.75-445,788,292.66

Finding the Fourth Proportional to 1,109,801,028.34, 1,664,500,383.75 and 445,788,292.66

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Solution

The fourth proportional to 1,109,801,028.34, 1,664,500,383.75 and 445,788,292.66 is: 668,601,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,801,028.34 : 1,664,500,383.75 = 445,788,292.66 : x
  2. Step 2: Convert to fraction form
    1,109,801,028.34/1,664,500,383.75 = 445,788,292.66/x
  3. Step 3: Cross multiply
    1,109,801,028.34x = 1,664,500,383.75 × 445,788,292.66
  4. Step 4: Simplify right side
    1,109,801,028.34x = 742,014,784,203,827,328
  5. Step 5: Solve for x
    x = 742,014,784,203,827,328/1,109,801,028.34
  6. Step 6: Final answer
    x = 668,601,636.92

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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.