Home / 639,089,844.60-958,634,766.90-366,992,052.60

Finding the Fourth Proportional to 639,089,844.60, 958,634,766.90 and 366,992,052.60

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Solution

The fourth proportional to 639,089,844.60, 958,634,766.90 and 366,992,052.60 is: 550,488,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,089,844.60 : 958,634,766.90 = 366,992,052.60 : x
  2. Step 2: Convert to fraction form
    639,089,844.60/958,634,766.90 = 366,992,052.60/x
  3. Step 3: Cross multiply
    639,089,844.60x = 958,634,766.90 × 366,992,052.60
  4. Step 4: Simplify right side
    639,089,844.60x = 351,811,340,798,353,536
  5. Step 5: Solve for x
    x = 351,811,340,798,353,536/639,089,844.60
  6. Step 6: Final answer
    x = 550,488,078.90

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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.