Home / 647,355,327.20-969,916,964.70-301,599,812.60

Finding the Fourth Proportional to 647,355,327.20, 969,916,964.70 and 301,599,812.60

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Solution

The fourth proportional to 647,355,327.20, 969,916,964.70 and 301,599,812.60 is: 451,879,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,355,327.20 : 969,916,964.70 = 301,599,812.60 : x
  2. Step 2: Convert to fraction form
    647,355,327.20/969,916,964.70 = 301,599,812.60/x
  3. Step 3: Cross multiply
    647,355,327.20x = 969,916,964.70 × 301,599,812.60
  4. Step 4: Simplify right side
    647,355,327.20x = 292,526,774,791,080,832
  5. Step 5: Solve for x
    x = 292,526,774,791,080,832/647,355,327.20
  6. Step 6: Final answer
    x = 451,879,767.57

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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.