Home / 773,211,998.16-1,067,257,403.38-505,328,129.35

Finding the Fourth Proportional to 773,211,998.16, 1,067,257,403.38 and 505,328,129.35

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Solution

The fourth proportional to 773,211,998.16, 1,067,257,403.38 and 505,328,129.35 is: 697,499,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,211,998.16 : 1,067,257,403.38 = 505,328,129.35 : x
  2. Step 2: Convert to fraction form
    773,211,998.16/1,067,257,403.38 = 505,328,129.35/x
  3. Step 3: Cross multiply
    773,211,998.16x = 1,067,257,403.38 × 505,328,129.35
  4. Step 4: Simplify right side
    773,211,998.16x = 539,315,187,182,942,592
  5. Step 5: Solve for x
    x = 539,315,187,182,942,592/773,211,998.16
  6. Step 6: Final answer
    x = 697,499,765.22

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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.