Home / 551,780,546.10-827,670,819.15-489,672,078.90

Finding the Fourth Proportional to 551,780,546.10, 827,670,819.15 and 489,672,078.90

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Solution

The fourth proportional to 551,780,546.10, 827,670,819.15 and 489,672,078.90 is: 734,508,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,780,546.10 : 827,670,819.15 = 489,672,078.90 : x
  2. Step 2: Convert to fraction form
    551,780,546.10/827,670,819.15 = 489,672,078.90/x
  3. Step 3: Cross multiply
    551,780,546.10x = 827,670,819.15 × 489,672,078.90
  4. Step 4: Simplify right side
    551,780,546.10x = 405,287,290,658,046,400
  5. Step 5: Solve for x
    x = 405,287,290,658,046,400/551,780,546.10
  6. Step 6: Final answer
    x = 734,508,118.35

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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.