Home / 298,538,768.88-411,984,749.37-164,573,744.39

Finding the Fourth Proportional to 298,538,768.88, 411,984,749.37 and 164,573,744.39

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Solution

The fourth proportional to 298,538,768.88, 411,984,749.37 and 164,573,744.39 is: 227,112,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,538,768.88 : 411,984,749.37 = 164,573,744.39 : x
  2. Step 2: Convert to fraction form
    298,538,768.88/411,984,749.37 = 164,573,744.39/x
  3. Step 3: Cross multiply
    298,538,768.88x = 411,984,749.37 × 164,573,744.39
  4. Step 4: Simplify right side
    298,538,768.88x = 67,801,872,832,513,800
  5. Step 5: Solve for x
    x = 67,801,872,832,513,800/298,538,768.88
  6. Step 6: Final answer
    x = 227,112,455.40

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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.