Home / 618,986,346.24-928,445,919.36-188,131,249.92

Finding the Fourth Proportional to 618,986,346.24, 928,445,919.36 and 188,131,249.92

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Solution

The fourth proportional to 618,986,346.24, 928,445,919.36 and 188,131,249.92 is: 282,186,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,986,346.24 : 928,445,919.36 = 188,131,249.92 : x
  2. Step 2: Convert to fraction form
    618,986,346.24/928,445,919.36 = 188,131,249.92/x
  3. Step 3: Cross multiply
    618,986,346.24x = 928,445,919.36 × 188,131,249.92
  4. Step 4: Simplify right side
    618,986,346.24x = 174,669,691,292,320,320
  5. Step 5: Solve for x
    x = 174,669,691,292,320,320/618,986,346.24
  6. Step 6: Final answer
    x = 282,186,662.68

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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.