Home / 479,777,107.80-662,117,984.55-268,089,076.92

Finding the Fourth Proportional to 479,777,107.80, 662,117,984.55 and 268,089,076.92

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Solution

The fourth proportional to 479,777,107.80, 662,117,984.55 and 268,089,076.92 is: 369,977,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,777,107.80 : 662,117,984.55 = 268,089,076.92 : x
  2. Step 2: Convert to fraction form
    479,777,107.80/662,117,984.55 = 268,089,076.92/x
  3. Step 3: Cross multiply
    479,777,107.80x = 662,117,984.55 × 268,089,076.92
  4. Step 4: Simplify right side
    479,777,107.80x = 177,506,599,290,140,288
  5. Step 5: Solve for x
    x = 177,506,599,290,140,288/479,777,107.80
  6. Step 6: Final answer
    x = 369,977,217.35

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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.