Home / 379,508,967,225.88-523,732,010,872.66-208,230,853,322.62

Finding the Fourth Proportional to 379,508,967,225.88, 523,732,010,872.66 and 208,230,853,322.62

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Solution

The fourth proportional to 379,508,967,225.88, 523,732,010,872.66 and 208,230,853,322.62 is: 287,363,864,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508,967,225.88 : 523,732,010,872.66 = 208,230,853,322.62 : x
  2. Step 2: Convert to fraction form
    379,508,967,225.88/523,732,010,872.66 = 208,230,853,322.62/x
  3. Step 3: Cross multiply
    379,508,967,225.88x = 523,732,010,872.66 × 208,230,853,322.62
  4. Step 4: Simplify right side
    379,508,967,225.88x = 109,057,163,536,385,685,061,632
  5. Step 5: Solve for x
    x = 109,057,163,536,385,685,061,632/379,508,967,225.88
  6. Step 6: Final answer
    x = 287,363,864,768.64

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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.