Home / 746,809,378.20-1,120,214,067.30-402,435,610.20

Finding the Fourth Proportional to 746,809,378.20, 1,120,214,067.30 and 402,435,610.20

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Solution

The fourth proportional to 746,809,378.20, 1,120,214,067.30 and 402,435,610.20 is: 603,653,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,809,378.20 : 1,120,214,067.30 = 402,435,610.20 : x
  2. Step 2: Convert to fraction form
    746,809,378.20/1,120,214,067.30 = 402,435,610.20/x
  3. Step 3: Cross multiply
    746,809,378.20x = 1,120,214,067.30 × 402,435,610.20
  4. Step 4: Simplify right side
    746,809,378.20x = 450,814,031,728,499,328
  5. Step 5: Solve for x
    x = 450,814,031,728,499,328/746,809,378.20
  6. Step 6: Final answer
    x = 603,653,415.30

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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.