Home / 815,771,569,296.45-1,125,768,265,538.60-444,983,067,619.72

Finding the Fourth Proportional to 815,771,569,296.45, 1,125,768,265,538.60 and 444,983,067,619.72

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Solution

The fourth proportional to 815,771,569,296.45, 1,125,768,265,538.60 and 444,983,067,619.72 is: 614,078,542,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,771,569,296.45 : 1,125,768,265,538.60 = 444,983,067,619.72 : x
  2. Step 2: Convert to fraction form
    815,771,569,296.45/1,125,768,265,538.60 = 444,983,067,619.72/x
  3. Step 3: Cross multiply
    815,771,569,296.45x = 1,125,768,265,538.60 × 444,983,067,619.72
  4. Step 4: Simplify right side
    815,771,569,296.45x = 500,947,816,228,297,776,300,032
  5. Step 5: Solve for x
    x = 500,947,816,228,297,776,300,032/815,771,569,296.45
  6. Step 6: Final answer
    x = 614,078,542,428.65

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Why These Related Problems?

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