Home / 808,583,757.80-1,115,845,584.96-437,305,788.80

Finding the Fourth Proportional to 808,583,757.80, 1,115,845,584.96 and 437,305,788.80

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Solution

The fourth proportional to 808,583,757.80, 1,115,845,584.96 and 437,305,788.80 is: 603,481,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,583,757.80 : 1,115,845,584.96 = 437,305,788.80 : x
  2. Step 2: Convert to fraction form
    808,583,757.80/1,115,845,584.96 = 437,305,788.80/x
  3. Step 3: Cross multiply
    808,583,757.80x = 1,115,845,584.96 × 437,305,788.80
  4. Step 4: Simplify right side
    808,583,757.80x = 487,965,733,709,930,240
  5. Step 5: Solve for x
    x = 487,965,733,709,930,240/808,583,757.80
  6. Step 6: Final answer
    x = 603,481,988.11

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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.