Home / 439,179,856.32-658,771,324.38-111,655,404.60

Finding the Fourth Proportional to 439,179,856.32, 658,771,324.38 and 111,655,404.60

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Solution

The fourth proportional to 439,179,856.32, 658,771,324.38 and 111,655,404.60 is: 167,483,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,179,856.32 : 658,771,324.38 = 111,655,404.60 : x
  2. Step 2: Convert to fraction form
    439,179,856.32/658,771,324.38 = 111,655,404.60/x
  3. Step 3: Cross multiply
    439,179,856.32x = 658,771,324.38 × 111,655,404.60
  4. Step 4: Simplify right side
    439,179,856.32x = 73,555,378,762,526,736
  5. Step 5: Solve for x
    x = 73,555,378,762,526,736/439,179,856.32
  6. Step 6: Final answer
    x = 167,483,498.40

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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.