Home / 1,942,128,634.02-2,680,345,215.27-1,189,940,992.98

Finding the Fourth Proportional to 1,942,128,634.02, 2,680,345,215.27 and 1,189,940,992.98

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Solution

The fourth proportional to 1,942,128,634.02, 2,680,345,215.27 and 1,189,940,992.98 is: 1,642,245,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,128,634.02 : 2,680,345,215.27 = 1,189,940,992.98 : x
  2. Step 2: Convert to fraction form
    1,942,128,634.02/2,680,345,215.27 = 1,189,940,992.98/x
  3. Step 3: Cross multiply
    1,942,128,634.02x = 2,680,345,215.27 × 1,189,940,992.98
  4. Step 4: Simplify right side
    1,942,128,634.02x = 3,189,452,646,987,575,808
  5. Step 5: Solve for x
    x = 3,189,452,646,987,575,808/1,942,128,634.02
  6. Step 6: Final answer
    x = 1,642,245,828.17

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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.