Home / 848,859,567.98-1,272,940,077.13-324,422,369.87

Finding the Fourth Proportional to 848,859,567.98, 1,272,940,077.13 and 324,422,369.87

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Solution

The fourth proportional to 848,859,567.98, 1,272,940,077.13 and 324,422,369.87 is: 486,500,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,859,567.98 : 1,272,940,077.13 = 324,422,369.87 : x
  2. Step 2: Convert to fraction form
    848,859,567.98/1,272,940,077.13 = 324,422,369.87/x
  3. Step 3: Cross multiply
    848,859,567.98x = 1,272,940,077.13 × 324,422,369.87
  4. Step 4: Simplify right side
    848,859,567.98x = 412,970,236,517,839,488
  5. Step 5: Solve for x
    x = 412,970,236,517,839,488/848,859,567.98
  6. Step 6: Final answer
    x = 486,500,066.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.