Home / 436,544,672.40-654,817,008.60-218,228,709.60

Finding the Fourth Proportional to 436,544,672.40, 654,817,008.60 and 218,228,709.60

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Solution

The fourth proportional to 436,544,672.40, 654,817,008.60 and 218,228,709.60 is: 327,343,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,544,672.40 : 654,817,008.60 = 218,228,709.60 : x
  2. Step 2: Convert to fraction form
    436,544,672.40/654,817,008.60 = 218,228,709.60/x
  3. Step 3: Cross multiply
    436,544,672.40x = 654,817,008.60 × 218,228,709.60
  4. Step 4: Simplify right side
    436,544,672.40x = 142,899,870,810,910,096
  5. Step 5: Solve for x
    x = 142,899,870,810,910,096/436,544,672.40
  6. Step 6: Final answer
    x = 327,343,064.40

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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.