Home / 320,112,984.77-441,620,648.85-214,300,491.23

Finding the Fourth Proportional to 320,112,984.77, 441,620,648.85 and 214,300,491.23

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Solution

The fourth proportional to 320,112,984.77, 441,620,648.85 and 214,300,491.23 is: 295,644,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112,984.77 : 441,620,648.85 = 214,300,491.23 : x
  2. Step 2: Convert to fraction form
    320,112,984.77/441,620,648.85 = 214,300,491.23/x
  3. Step 3: Cross multiply
    320,112,984.77x = 441,620,648.85 × 214,300,491.23
  4. Step 4: Simplify right side
    320,112,984.77x = 94,639,521,986,970,384
  5. Step 5: Solve for x
    x = 94,639,521,986,970,384/320,112,984.77
  6. Step 6: Final answer
    x = 295,644,120.95

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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.