Home / 379,508,967,238.88-523,732,010,890.60-208,230,853,335.62

Finding the Fourth Proportional to 379,508,967,238.88, 523,732,010,890.60 and 208,230,853,335.62

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Solution

The fourth proportional to 379,508,967,238.88, 523,732,010,890.60 and 208,230,853,335.62 is: 287,363,864,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508,967,238.88 : 523,732,010,890.60 = 208,230,853,335.62 : x
  2. Step 2: Convert to fraction form
    379,508,967,238.88/523,732,010,890.60 = 208,230,853,335.62/x
  3. Step 3: Cross multiply
    379,508,967,238.88x = 523,732,010,890.60 × 208,230,853,335.62
  4. Step 4: Simplify right side
    379,508,967,238.88x = 109,057,163,546,929,863,327,744
  5. Step 5: Solve for x
    x = 109,057,163,546,929,863,327,744/379,508,967,238.88
  6. Step 6: Final answer
    x = 287,363,864,786.59

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1.5x scale

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.