Home / 547,869,514.20-821,792,757.61-133,348,648.11

Finding the Fourth Proportional to 547,869,514.20, 821,792,757.61 and 133,348,648.11

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Solution

The fourth proportional to 547,869,514.20, 821,792,757.61 and 133,348,648.11 is: 200,020,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,869,514.20 : 821,792,757.61 = 133,348,648.11 : x
  2. Step 2: Convert to fraction form
    547,869,514.20/821,792,757.61 = 133,348,648.11/x
  3. Step 3: Cross multiply
    547,869,514.20x = 821,792,757.61 × 133,348,648.11
  4. Step 4: Simplify right side
    547,869,514.20x = 109,584,953,253,882,416
  5. Step 5: Solve for x
    x = 109,584,953,253,882,416/547,869,514.20
  6. Step 6: Final answer
    x = 200,020,169.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.