Home / 436,845,354.75-655,270,481.69-145,711,678.29

Finding the Fourth Proportional to 436,845,354.75, 655,270,481.69 and 145,711,678.29

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Solution

The fourth proportional to 436,845,354.75, 655,270,481.69 and 145,711,678.29 is: 218,568,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,354.75 : 655,270,481.69 = 145,711,678.29 : x
  2. Step 2: Convert to fraction form
    436,845,354.75/655,270,481.69 = 145,711,678.29/x
  3. Step 3: Cross multiply
    436,845,354.75x = 655,270,481.69 × 145,711,678.29
  4. Step 4: Simplify right side
    436,845,354.75x = 95,480,561,620,946,624
  5. Step 5: Solve for x
    x = 95,480,561,620,946,624/436,845,354.75
  6. Step 6: Final answer
    x = 218,568,334.50

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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.