Home / 773,212,001.61-1,067,257,408.13-505,328,132.79

Finding the Fourth Proportional to 773,212,001.61, 1,067,257,408.13 and 505,328,132.79

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Solution

The fourth proportional to 773,212,001.61, 1,067,257,408.13 and 505,328,132.79 is: 697,499,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,212,001.61 : 1,067,257,408.13 = 505,328,132.79 : x
  2. Step 2: Convert to fraction form
    773,212,001.61/1,067,257,408.13 = 505,328,132.79/x
  3. Step 3: Cross multiply
    773,212,001.61x = 1,067,257,408.13 × 505,328,132.79
  4. Step 4: Simplify right side
    773,212,001.61x = 539,315,193,256,627,904
  5. Step 5: Solve for x
    x = 539,315,193,256,627,904/773,212,001.61
  6. Step 6: Final answer
    x = 697,499,769.96

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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.