Home / 1,151,901,201.18-1,727,928,419.76-404,826,619.44

Finding the Fourth Proportional to 1,151,901,201.18, 1,727,928,419.76 and 404,826,619.44

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Solution

The fourth proportional to 1,151,901,201.18, 1,727,928,419.76 and 404,826,619.44 is: 607,266,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,901,201.18 : 1,727,928,419.76 = 404,826,619.44 : x
  2. Step 2: Convert to fraction form
    1,151,901,201.18/1,727,928,419.76 = 404,826,619.44/x
  3. Step 3: Cross multiply
    1,151,901,201.18x = 1,727,928,419.76 × 404,826,619.44
  4. Step 4: Simplify right side
    1,151,901,201.18x = 699,511,420,805,742,080
  5. Step 5: Solve for x
    x = 699,511,420,805,742,080/1,151,901,201.18
  6. Step 6: Final answer
    x = 607,266,855.95

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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.