Home / 815,761,885.66-1,125,751,564.20-444,483,917.02

Finding the Fourth Proportional to 815,761,885.66, 1,125,751,564.20 and 444,483,917.02

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Solution

The fourth proportional to 815,761,885.66, 1,125,751,564.20 and 444,483,917.02 is: 613,387,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,761,885.66 : 1,125,751,564.20 = 444,483,917.02 : x
  2. Step 2: Convert to fraction form
    815,761,885.66/1,125,751,564.20 = 444,483,917.02/x
  3. Step 3: Cross multiply
    815,761,885.66x = 1,125,751,564.20 × 444,483,917.02
  4. Step 4: Simplify right side
    815,761,885.66x = 500,378,464,847,008,000
  5. Step 5: Solve for x
    x = 500,378,464,847,008,000/815,761,885.66
  6. Step 6: Final answer
    x = 613,387,893.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.