Home / 1,162,380,348.60-1,605,616,067.58-861,575,458.80

Finding the Fourth Proportional to 1,162,380,348.60, 1,605,616,067.58 and 861,575,458.80

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Solution

The fourth proportional to 1,162,380,348.60, 1,605,616,067.58 and 861,575,458.80 is: 1,190,109,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,380,348.60 : 1,605,616,067.58 = 861,575,458.80 : x
  2. Step 2: Convert to fraction form
    1,162,380,348.60/1,605,616,067.58 = 861,575,458.80/x
  3. Step 3: Cross multiply
    1,162,380,348.60x = 1,605,616,067.58 × 861,575,458.80
  4. Step 4: Simplify right side
    1,162,380,348.60x = 1,383,359,400,081,890,048
  5. Step 5: Solve for x
    x = 1,383,359,400,081,890,048/1,162,380,348.60
  6. Step 6: Final answer
    x = 1,190,109,073.81

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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.