Home / 808,591,361.12-1,115,856,079.44-437,313,393.44

Finding the Fourth Proportional to 808,591,361.12, 1,115,856,079.44 and 437,313,393.44

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Solution

The fourth proportional to 808,591,361.12, 1,115,856,079.44 and 437,313,393.44 is: 603,492,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,591,361.12 : 1,115,856,079.44 = 437,313,393.44 : x
  2. Step 2: Convert to fraction form
    808,591,361.12/1,115,856,079.44 = 437,313,393.44/x
  3. Step 3: Cross multiply
    808,591,361.12x = 1,115,856,079.44 × 437,313,393.44
  4. Step 4: Simplify right side
    808,591,361.12x = 487,978,808,690,560,640
  5. Step 5: Solve for x
    x = 487,978,808,690,560,640/808,591,361.12
  6. Step 6: Final answer
    x = 603,492,483.54

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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.