Home / 395,072,749.03-545,160,660.30-218,827,814.77

Finding the Fourth Proportional to 395,072,749.03, 545,160,660.30 and 218,827,814.77

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Solution

The fourth proportional to 395,072,749.03, 545,160,660.30 and 218,827,814.77 is: 301,960,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,072,749.03 : 545,160,660.30 = 218,827,814.77 : x
  2. Step 2: Convert to fraction form
    395,072,749.03/545,160,660.30 = 218,827,814.77/x
  3. Step 3: Cross multiply
    395,072,749.03x = 545,160,660.30 × 218,827,814.77
  4. Step 4: Simplify right side
    395,072,749.03x = 119,296,315,992,019,296
  5. Step 5: Solve for x
    x = 119,296,315,992,019,296/395,072,749.03
  6. Step 6: Final answer
    x = 301,960,376.37

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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.