Home / 1,198,109,365.20-1,796,313,742.20-543,374,053.20

Finding the Fourth Proportional to 1,198,109,365.20, 1,796,313,742.20 and 543,374,053.20

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Solution

The fourth proportional to 1,198,109,365.20, 1,796,313,742.20 and 543,374,053.20 is: 814,675,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,109,365.20 : 1,796,313,742.20 = 543,374,053.20 : x
  2. Step 2: Convert to fraction form
    1,198,109,365.20/1,796,313,742.20 = 543,374,053.20/x
  3. Step 3: Cross multiply
    1,198,109,365.20x = 1,796,313,742.20 × 543,374,053.20
  4. Step 4: Simplify right side
    1,198,109,365.20x = 976,070,278,918,073,984
  5. Step 5: Solve for x
    x = 976,070,278,918,073,984/1,198,109,365.20
  6. Step 6: Final answer
    x = 814,675,443.89

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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.