Home / 1,287,083,044.87-1,930,642,504.05-366,959,383.50

Finding the Fourth Proportional to 1,287,083,044.87, 1,930,642,504.05 and 366,959,383.50

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Solution

The fourth proportional to 1,287,083,044.87, 1,930,642,504.05 and 366,959,383.50 is: 550,444,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,083,044.87 : 1,930,642,504.05 = 366,959,383.50 : x
  2. Step 2: Convert to fraction form
    1,287,083,044.87/1,930,642,504.05 = 366,959,383.50/x
  3. Step 3: Cross multiply
    1,287,083,044.87x = 1,930,642,504.05 × 366,959,383.50
  4. Step 4: Simplify right side
    1,287,083,044.87x = 708,467,383,045,084,288
  5. Step 5: Solve for x
    x = 708,467,383,045,084,288/1,287,083,044.87
  6. Step 6: Final answer
    x = 550,444,189.18

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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.