Home / 280,377,308.16-419,879,185.92-231,556,469.76

Finding the Fourth Proportional to 280,377,308.16, 419,879,185.92 and 231,556,469.76

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Solution

The fourth proportional to 280,377,308.16, 419,879,185.92 and 231,556,469.76 is: 346,767,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,377,308.16 : 419,879,185.92 = 231,556,469.76 : x
  2. Step 2: Convert to fraction form
    280,377,308.16/419,879,185.92 = 231,556,469.76/x
  3. Step 3: Cross multiply
    280,377,308.16x = 419,879,185.92 × 231,556,469.76
  4. Step 4: Simplify right side
    280,377,308.16x = 97,225,742,017,337,904
  5. Step 5: Solve for x
    x = 97,225,742,017,337,904/280,377,308.16
  6. Step 6: Final answer
    x = 346,767,513.59

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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.