Home / 1,214,682,363.52-1,821,932,628.06-438,327,996.52

Finding the Fourth Proportional to 1,214,682,363.52, 1,821,932,628.06 and 438,327,996.52

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Solution

The fourth proportional to 1,214,682,363.52, 1,821,932,628.06 and 438,327,996.52 is: 657,459,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,682,363.52 : 1,821,932,628.06 = 438,327,996.52 : x
  2. Step 2: Convert to fraction form
    1,214,682,363.52/1,821,932,628.06 = 438,327,996.52/x
  3. Step 3: Cross multiply
    1,214,682,363.52x = 1,821,932,628.06 × 438,327,996.52
  4. Step 4: Simplify right side
    1,214,682,363.52x = 798,604,078,651,958,016
  5. Step 5: Solve for x
    x = 798,604,078,651,958,016/1,214,682,363.52
  6. Step 6: Final answer
    x = 657,459,186.56

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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.