Home / 436,845,339.27-655,270,458.53-145,711,662.81

Finding the Fourth Proportional to 436,845,339.27, 655,270,458.53 and 145,711,662.81

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Solution

The fourth proportional to 436,845,339.27, 655,270,458.53 and 145,711,662.81 is: 218,568,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,339.27 : 655,270,458.53 = 145,711,662.81 : x
  2. Step 2: Convert to fraction form
    436,845,339.27/655,270,458.53 = 145,711,662.81/x
  3. Step 3: Cross multiply
    436,845,339.27x = 655,270,458.53 × 145,711,662.81
  4. Step 4: Simplify right side
    436,845,339.27x = 95,480,548,101,948,896
  5. Step 5: Solve for x
    x = 95,480,548,101,948,896/436,845,339.27
  6. Step 6: Final answer
    x = 218,568,311.30

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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.