Home / 275,722,720.40-413,017,210.20-189,558,419.60

Finding the Fourth Proportional to 275,722,720.40, 413,017,210.20 and 189,558,419.60

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Solution

The fourth proportional to 275,722,720.40, 413,017,210.20 and 189,558,419.60 is: 283,947,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,722,720.40 : 413,017,210.20 = 189,558,419.60 : x
  2. Step 2: Convert to fraction form
    275,722,720.40/413,017,210.20 = 189,558,419.60/x
  3. Step 3: Cross multiply
    275,722,720.40x = 413,017,210.20 × 189,558,419.60
  4. Step 4: Simplify right side
    275,722,720.40x = 78,290,889,633,112,992
  5. Step 5: Solve for x
    x = 78,290,889,633,112,992/275,722,720.40
  6. Step 6: Final answer
    x = 283,947,907.95

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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.