Home / 773,212,005.16-1,067,257,413.04-505,328,136.35

Finding the Fourth Proportional to 773,212,005.16, 1,067,257,413.04 and 505,328,136.35

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Solution

The fourth proportional to 773,212,005.16, 1,067,257,413.04 and 505,328,136.35 is: 697,499,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,212,005.16 : 1,067,257,413.04 = 505,328,136.35 : x
  2. Step 2: Convert to fraction form
    773,212,005.16/1,067,257,413.04 = 505,328,136.35/x
  3. Step 3: Cross multiply
    773,212,005.16x = 1,067,257,413.04 × 505,328,136.35
  4. Step 4: Simplify right side
    773,212,005.16x = 539,315,199,537,225,408
  5. Step 5: Solve for x
    x = 539,315,199,537,225,408/773,212,005.16
  6. Step 6: Final answer
    x = 697,499,774.88

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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.