Home / 1,067,458,977.90-1,602,221,335.31-515,150,209.53

Finding the Fourth Proportional to 1,067,458,977.90, 1,602,221,335.31 and 515,150,209.53

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Solution

The fourth proportional to 1,067,458,977.90, 1,602,221,335.31 and 515,150,209.53 is: 773,223,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,458,977.90 : 1,602,221,335.31 = 515,150,209.53 : x
  2. Step 2: Convert to fraction form
    1,067,458,977.90/1,602,221,335.31 = 515,150,209.53/x
  3. Step 3: Cross multiply
    1,067,458,977.90x = 1,602,221,335.31 × 515,150,209.53
  4. Step 4: Simplify right side
    1,067,458,977.90x = 825,384,656,599,670,656
  5. Step 5: Solve for x
    x = 825,384,656,599,670,656/1,067,458,977.90
  6. Step 6: Final answer
    x = 773,223,771.30

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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.