Home / 1,485,227,801.21-2,049,167,403.45-890,295,212.75

Finding the Fourth Proportional to 1,485,227,801.21, 2,049,167,403.45 and 890,295,212.75

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Solution

The fourth proportional to 1,485,227,801.21, 2,049,167,403.45 and 890,295,212.75 is: 1,228,339,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,227,801.21 : 2,049,167,403.45 = 890,295,212.75 : x
  2. Step 2: Convert to fraction form
    1,485,227,801.21/2,049,167,403.45 = 890,295,212.75/x
  3. Step 3: Cross multiply
    1,485,227,801.21x = 2,049,167,403.45 × 890,295,212.75
  4. Step 4: Simplify right side
    1,485,227,801.21x = 1,824,363,929,404,636,928
  5. Step 5: Solve for x
    x = 1,824,363,929,404,636,928/1,485,227,801.21
  6. Step 6: Final answer
    x = 1,228,339,469.49

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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.