Home / 260,104,693.95-390,489,987.41-223,451,083.79

Finding the Fourth Proportional to 260,104,693.95, 390,489,987.41 and 223,451,083.79

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Solution

The fourth proportional to 260,104,693.95, 390,489,987.41 and 223,451,083.79 is: 335,462,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,104,693.95 : 390,489,987.41 = 223,451,083.79 : x
  2. Step 2: Convert to fraction form
    260,104,693.95/390,489,987.41 = 223,451,083.79/x
  3. Step 3: Cross multiply
    260,104,693.95x = 390,489,987.41 × 223,451,083.79
  4. Step 4: Simplify right side
    260,104,693.95x = 87,255,410,892,838,240
  5. Step 5: Solve for x
    x = 87,255,410,892,838,240/260,104,693.95
  6. Step 6: Final answer
    x = 335,462,653.78

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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.