Home / 773,103,415.79-1,066,873,745.73-420,673,334.39

Finding the Fourth Proportional to 773,103,415.79, 1,066,873,745.73 and 420,673,334.39

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Solution

The fourth proportional to 773,103,415.79, 1,066,873,745.73 and 420,673,334.39 is: 580,524,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,103,415.79 : 1,066,873,745.73 = 420,673,334.39 : x
  2. Step 2: Convert to fraction form
    773,103,415.79/1,066,873,745.73 = 420,673,334.39/x
  3. Step 3: Cross multiply
    773,103,415.79x = 1,066,873,745.73 × 420,673,334.39
  4. Step 4: Simplify right side
    773,103,415.79x = 448,805,335,984,053,760
  5. Step 5: Solve for x
    x = 448,805,335,984,053,760/773,103,415.79
  6. Step 6: Final answer
    x = 580,524,321.61

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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.