Home / 436,845,406.55-655,270,559.61-145,711,730.09

Finding the Fourth Proportional to 436,845,406.55, 655,270,559.61 and 145,711,730.09

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Solution

The fourth proportional to 436,845,406.55, 655,270,559.61 and 145,711,730.09 is: 218,568,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,406.55 : 655,270,559.61 = 145,711,730.09 : x
  2. Step 2: Convert to fraction form
    436,845,406.55/655,270,559.61 = 145,711,730.09/x
  3. Step 3: Cross multiply
    436,845,406.55x = 655,270,559.61 × 145,711,730.09
  4. Step 4: Simplify right side
    436,845,406.55x = 95,480,606,914,539,232
  5. Step 5: Solve for x
    x = 95,480,606,914,539,232/436,845,406.55
  6. Step 6: Final answer
    x = 218,568,412.27

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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.