Home / 1,940,120,209.80-2,910,180,314.70-559,979,742.60

Finding the Fourth Proportional to 1,940,120,209.80, 2,910,180,314.70 and 559,979,742.60

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Solution

The fourth proportional to 1,940,120,209.80, 2,910,180,314.70 and 559,979,742.60 is: 839,969,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,120,209.80 : 2,910,180,314.70 = 559,979,742.60 : x
  2. Step 2: Convert to fraction form
    1,940,120,209.80/2,910,180,314.70 = 559,979,742.60/x
  3. Step 3: Cross multiply
    1,940,120,209.80x = 2,910,180,314.70 × 559,979,742.60
  4. Step 4: Simplify right side
    1,940,120,209.80x = 1,629,642,023,545,293,056
  5. Step 5: Solve for x
    x = 1,629,642,023,545,293,056/1,940,120,209.80
  6. Step 6: Final answer
    x = 839,969,613.90

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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.