Home / 939,028,902.60-1,408,543,353.90-325,675,129.80

Finding the Fourth Proportional to 939,028,902.60, 1,408,543,353.90 and 325,675,129.80

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Solution

The fourth proportional to 939,028,902.60, 1,408,543,353.90 and 325,675,129.80 is: 488,512,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,028,902.60 : 1,408,543,353.90 = 325,675,129.80 : x
  2. Step 2: Convert to fraction form
    939,028,902.60/1,408,543,353.90 = 325,675,129.80/x
  3. Step 3: Cross multiply
    939,028,902.60x = 1,408,543,353.90 × 325,675,129.80
  4. Step 4: Simplify right side
    939,028,902.60x = 458,727,539,610,309,888
  5. Step 5: Solve for x
    x = 458,727,539,610,309,888/939,028,902.60
  6. Step 6: Final answer
    x = 488,512,694.70

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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.