Home / 1,289,204,890.63-1,933,804,921.68-403,958,019.31

Finding the Fourth Proportional to 1,289,204,890.63, 1,933,804,921.68 and 403,958,019.31

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Solution

The fourth proportional to 1,289,204,890.63, 1,933,804,921.68 and 403,958,019.31 is: 605,936,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,204,890.63 : 1,933,804,921.68 = 403,958,019.31 : x
  2. Step 2: Convert to fraction form
    1,289,204,890.63/1,933,804,921.68 = 403,958,019.31/x
  3. Step 3: Cross multiply
    1,289,204,890.63x = 1,933,804,921.68 × 403,958,019.31
  4. Step 4: Simplify right side
    1,289,204,890.63x = 781,176,005,893,782,528
  5. Step 5: Solve for x
    x = 781,176,005,893,782,528/1,289,204,890.63
  6. Step 6: Final answer
    x = 605,936,272.48

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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.