Home / 1,322,849,929.24-1,825,518,415.37-728,121,698.20

Finding the Fourth Proportional to 1,322,849,929.24, 1,825,518,415.37 and 728,121,698.20

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Solution

The fourth proportional to 1,322,849,929.24, 1,825,518,415.37 and 728,121,698.20 is: 1,004,799,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,849,929.24 : 1,825,518,415.37 = 728,121,698.20 : x
  2. Step 2: Convert to fraction form
    1,322,849,929.24/1,825,518,415.37 = 728,121,698.20/x
  3. Step 3: Cross multiply
    1,322,849,929.24x = 1,825,518,415.37 × 728,121,698.20
  4. Step 4: Simplify right side
    1,322,849,929.24x = 1,329,199,568,690,936,832
  5. Step 5: Solve for x
    x = 1,329,199,568,690,936,832/1,322,849,929.24
  6. Step 6: Final answer
    x = 1,004,799,969.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.