Home / 436,172,805.72-653,100,273.54-263,415,902.04

Finding the Fourth Proportional to 436,172,805.72, 653,100,273.54 and 263,415,902.04

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Solution

The fourth proportional to 436,172,805.72, 653,100,273.54 and 263,415,902.04 is: 394,423,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,172,805.72 : 653,100,273.54 = 263,415,902.04 : x
  2. Step 2: Convert to fraction form
    436,172,805.72/653,100,273.54 = 263,415,902.04/x
  3. Step 3: Cross multiply
    436,172,805.72x = 653,100,273.54 × 263,415,902.04
  4. Step 4: Simplify right side
    436,172,805.72x = 172,036,997,677,109,824
  5. Step 5: Solve for x
    x = 172,036,997,677,109,824/436,172,805.72
  6. Step 6: Final answer
    x = 394,423,942.58

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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.