Home / 1,819,441,828.31-2,721,981,932.33-1,378,055,996.82

Finding the Fourth Proportional to 1,819,441,828.31, 2,721,981,932.33 and 1,378,055,996.82

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Solution

The fourth proportional to 1,819,441,828.31, 2,721,981,932.33 and 1,378,055,996.82 is: 2,061,645,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,441,828.31 : 2,721,981,932.33 = 1,378,055,996.82 : x
  2. Step 2: Convert to fraction form
    1,819,441,828.31/2,721,981,932.33 = 1,378,055,996.82/x
  3. Step 3: Cross multiply
    1,819,441,828.31x = 2,721,981,932.33 × 1,378,055,996.82
  4. Step 4: Simplify right side
    1,819,441,828.31x = 3,751,043,525,076,157,440
  5. Step 5: Solve for x
    x = 3,751,043,525,076,157,440/1,819,441,828.31
  6. Step 6: Final answer
    x = 2,061,645,207.18

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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.