Home / 778,570,593.30-1,167,858,919.60-188,359,885.75

Finding the Fourth Proportional to 778,570,593.30, 1,167,858,919.60 and 188,359,885.75

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Solution

The fourth proportional to 778,570,593.30, 1,167,858,919.60 and 188,359,885.75 is: 282,540,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,570,593.30 : 1,167,858,919.60 = 188,359,885.75 : x
  2. Step 2: Convert to fraction form
    778,570,593.30/1,167,858,919.60 = 188,359,885.75/x
  3. Step 3: Cross multiply
    778,570,593.30x = 1,167,858,919.60 × 188,359,885.75
  4. Step 4: Simplify right side
    778,570,593.30x = 219,977,772,667,032,640
  5. Step 5: Solve for x
    x = 219,977,772,667,032,640/778,570,593.30
  6. Step 6: Final answer
    x = 282,540,561.59

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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.