Home / 1,235,100,400.20-1,850,949,989.10-819,395,440.20

Finding the Fourth Proportional to 1,235,100,400.20, 1,850,949,989.10 and 819,395,440.20

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Solution

The fourth proportional to 1,235,100,400.20, 1,850,949,989.10 and 819,395,440.20 is: 1,227,964,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,100,400.20 : 1,850,949,989.10 = 819,395,440.20 : x
  2. Step 2: Convert to fraction form
    1,235,100,400.20/1,850,949,989.10 = 819,395,440.20/x
  3. Step 3: Cross multiply
    1,235,100,400.20x = 1,850,949,989.10 × 819,395,440.20
  4. Step 4: Simplify right side
    1,235,100,400.20x = 1,516,659,981,106,779,648
  5. Step 5: Solve for x
    x = 1,516,659,981,106,779,648/1,235,100,400.20
  6. Step 6: Final answer
    x = 1,227,964,933.75

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1.5x scale

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.