Home / 773,212,003.22-1,067,257,410.36-505,328,134.41

Finding the Fourth Proportional to 773,212,003.22, 1,067,257,410.36 and 505,328,134.41

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Solution

The fourth proportional to 773,212,003.22, 1,067,257,410.36 and 505,328,134.41 is: 697,499,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,212,003.22 : 1,067,257,410.36 = 505,328,134.41 : x
  2. Step 2: Convert to fraction form
    773,212,003.22/1,067,257,410.36 = 505,328,134.41/x
  3. Step 3: Cross multiply
    773,212,003.22x = 1,067,257,410.36 × 505,328,134.41
  4. Step 4: Simplify right side
    773,212,003.22x = 539,315,196,113,426,752
  5. Step 5: Solve for x
    x = 539,315,196,113,426,752/773,212,003.22
  6. Step 6: Final answer
    x = 697,499,772.21

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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.