Home / 263,987,763.40-396,359,558.70-149,196,507.40

Finding the Fourth Proportional to 263,987,763.40, 396,359,558.70 and 149,196,507.40

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Solution

The fourth proportional to 263,987,763.40, 396,359,558.70 and 149,196,507.40 is: 224,008,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,987,763.40 : 396,359,558.70 = 149,196,507.40 : x
  2. Step 2: Convert to fraction form
    263,987,763.40/396,359,558.70 = 149,196,507.40/x
  3. Step 3: Cross multiply
    263,987,763.40x = 396,359,558.70 × 149,196,507.40
  4. Step 4: Simplify right side
    263,987,763.40x = 59,135,461,832,645,288
  5. Step 5: Solve for x
    x = 59,135,461,832,645,288/263,987,763.40
  6. Step 6: Final answer
    x = 224,008,344.44

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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.