Home / 389,964,930.62-584,947,360.42-171,615,272.64

Finding the Fourth Proportional to 389,964,930.62, 584,947,360.42 and 171,615,272.64

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Solution

The fourth proportional to 389,964,930.62, 584,947,360.42 and 171,615,272.64 is: 257,422,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,964,930.62 : 584,947,360.42 = 171,615,272.64 : x
  2. Step 2: Convert to fraction form
    389,964,930.62/584,947,360.42 = 171,615,272.64/x
  3. Step 3: Cross multiply
    389,964,930.62x = 584,947,360.42 × 171,615,272.64
  4. Step 4: Simplify right side
    389,964,930.62x = 100,385,900,738,526,624
  5. Step 5: Solve for x
    x = 100,385,900,738,526,624/389,964,930.62
  6. Step 6: Final answer
    x = 257,422,893.33

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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.