Home / 587,378,845.56-810,605,934.78-323,085,430.56

Finding the Fourth Proportional to 587,378,845.56, 810,605,934.78 and 323,085,430.56

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Solution

The fourth proportional to 587,378,845.56, 810,605,934.78 and 323,085,430.56 is: 445,870,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,378,845.56 : 810,605,934.78 = 323,085,430.56 : x
  2. Step 2: Convert to fraction form
    587,378,845.56/810,605,934.78 = 323,085,430.56/x
  3. Step 3: Cross multiply
    587,378,845.56x = 810,605,934.78 × 323,085,430.56
  4. Step 4: Simplify right side
    587,378,845.56x = 261,894,967,452,887,584
  5. Step 5: Solve for x
    x = 261,894,967,452,887,584/587,378,845.56
  6. Step 6: Final answer
    x = 445,870,615.59

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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.