Home / 647,355,325.20-969,916,961.70-301,599,810.60

Finding the Fourth Proportional to 647,355,325.20, 969,916,961.70 and 301,599,810.60

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Solution

The fourth proportional to 647,355,325.20, 969,916,961.70 and 301,599,810.60 is: 451,879,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,355,325.20 : 969,916,961.70 = 301,599,810.60 : x
  2. Step 2: Convert to fraction form
    647,355,325.20/969,916,961.70 = 301,599,810.60/x
  3. Step 3: Cross multiply
    647,355,325.20x = 969,916,961.70 × 301,599,810.60
  4. Step 4: Simplify right side
    647,355,325.20x = 292,526,771,946,447,488
  5. Step 5: Solve for x
    x = 292,526,771,946,447,488/647,355,325.20
  6. Step 6: Final answer
    x = 451,879,764.57

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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.