Home / 395,072,754.03-545,160,667.20-218,827,819.77

Finding the Fourth Proportional to 395,072,754.03, 545,160,667.20 and 218,827,819.77

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Solution

The fourth proportional to 395,072,754.03, 545,160,667.20 and 218,827,819.77 is: 301,960,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,072,754.03 : 545,160,667.20 = 218,827,819.77 : x
  2. Step 2: Convert to fraction form
    395,072,754.03/545,160,667.20 = 218,827,819.77/x
  3. Step 3: Cross multiply
    395,072,754.03x = 545,160,667.20 × 218,827,819.77
  4. Step 4: Simplify right side
    395,072,754.03x = 119,296,320,227,734,560
  5. Step 5: Solve for x
    x = 119,296,320,227,734,560/395,072,754.03
  6. Step 6: Final answer
    x = 301,960,383.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.