Home / 1,940,120,643.30-2,910,180,964.95-559,980,176.10

Finding the Fourth Proportional to 1,940,120,643.30, 2,910,180,964.95 and 559,980,176.10

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Solution

The fourth proportional to 1,940,120,643.30, 2,910,180,964.95 and 559,980,176.10 is: 839,970,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,120,643.30 : 2,910,180,964.95 = 559,980,176.10 : x
  2. Step 2: Convert to fraction form
    1,940,120,643.30/2,910,180,964.95 = 559,980,176.10/x
  3. Step 3: Cross multiply
    1,940,120,643.30x = 2,910,180,964.95 × 559,980,176.10
  4. Step 4: Simplify right side
    1,940,120,643.30x = 1,629,643,649,235,568,896
  5. Step 5: Solve for x
    x = 1,629,643,649,235,568,896/1,940,120,643.30
  6. Step 6: Final answer
    x = 839,970,264.15

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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.