Home / 815,771,569,311.90-1,125,768,265,560.30-444,983,067,635.20

Finding the Fourth Proportional to 815,771,569,311.90, 1,125,768,265,560.30 and 444,983,067,635.20

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Solution

The fourth proportional to 815,771,569,311.90, 1,125,768,265,560.30 and 444,983,067,635.20 is: 614,078,542,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,771,569,311.90 : 1,125,768,265,560.30 = 444,983,067,635.20 : x
  2. Step 2: Convert to fraction form
    815,771,569,311.90/1,125,768,265,560.30 = 444,983,067,635.20/x
  3. Step 3: Cross multiply
    815,771,569,311.90x = 1,125,768,265,560.30 × 444,983,067,635.20
  4. Step 4: Simplify right side
    815,771,569,311.90x = 500,947,816,255,380,833,435,648
  5. Step 5: Solve for x
    x = 500,947,816,255,380,833,435,648/815,771,569,311.90
  6. Step 6: Final answer
    x = 614,078,542,450.22

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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.