Home / 436,900,940.40-654,910,511.40-218,214,937.20

Finding the Fourth Proportional to 436,900,940.40, 654,910,511.40 and 218,214,937.20

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Solution

The fourth proportional to 436,900,940.40, 654,910,511.40 and 218,214,937.20 is: 327,102,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900,940.40 : 654,910,511.40 = 218,214,937.20 : x
  2. Step 2: Convert to fraction form
    436,900,940.40/654,910,511.40 = 218,214,937.20/x
  3. Step 3: Cross multiply
    436,900,940.40x = 654,910,511.40 × 218,214,937.20
  4. Step 4: Simplify right side
    436,900,940.40x = 142,911,256,116,770,864
  5. Step 5: Solve for x
    x = 142,911,256,116,770,864/436,900,940.40
  6. Step 6: Final answer
    x = 327,102,193.89

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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.