Home / 436,542,849.40-654,814,274.10-218,226,886.60

Finding the Fourth Proportional to 436,542,849.40, 654,814,274.10 and 218,226,886.60

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Solution

The fourth proportional to 436,542,849.40, 654,814,274.10 and 218,226,886.60 is: 327,340,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,542,849.40 : 654,814,274.10 = 218,226,886.60 : x
  2. Step 2: Convert to fraction form
    436,542,849.40/654,814,274.10 = 218,226,886.60/x
  3. Step 3: Cross multiply
    436,542,849.40x = 654,814,274.10 × 218,226,886.60
  4. Step 4: Simplify right side
    436,542,849.40x = 142,898,080,338,082,016
  5. Step 5: Solve for x
    x = 142,898,080,338,082,016/436,542,849.40
  6. Step 6: Final answer
    x = 327,340,329.90

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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.