Home / 1,800,382,109.48-2,700,557,993.58-1,407,239,624.20

Finding the Fourth Proportional to 1,800,382,109.48, 2,700,557,993.58 and 1,407,239,624.20

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Solution

The fourth proportional to 1,800,382,109.48, 2,700,557,993.58 and 1,407,239,624.20 is: 2,110,847,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,382,109.48 : 2,700,557,993.58 = 1,407,239,624.20 : x
  2. Step 2: Convert to fraction form
    1,800,382,109.48/2,700,557,993.58 = 1,407,239,624.20/x
  3. Step 3: Cross multiply
    1,800,382,109.48x = 2,700,557,993.58 × 1,407,239,624.20
  4. Step 4: Simplify right side
    1,800,382,109.48x = 3,800,332,216,015,825,408
  5. Step 5: Solve for x
    x = 3,800,332,216,015,825,408/1,800,382,109.48
  6. Step 6: Final answer
    x = 2,110,847,578.41

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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.