Home / 821,735,921.44-1,231,832,295.56-276,095,867.68

Finding the Fourth Proportional to 821,735,921.44, 1,231,832,295.56 and 276,095,867.68

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Solution

The fourth proportional to 821,735,921.44, 1,231,832,295.56 and 276,095,867.68 is: 413,884,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,735,921.44 : 1,231,832,295.56 = 276,095,867.68 : x
  2. Step 2: Convert to fraction form
    821,735,921.44/1,231,832,295.56 = 276,095,867.68/x
  3. Step 3: Cross multiply
    821,735,921.44x = 1,231,832,295.56 × 276,095,867.68
  4. Step 4: Simplify right side
    821,735,921.44x = 340,103,806,478,884,416
  5. Step 5: Solve for x
    x = 340,103,806,478,884,416/821,735,921.44
  6. Step 6: Final answer
    x = 413,884,555.37

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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.