Home / 711,323,405.76-1,067,086,766.88-220,078,627.68

Finding the Fourth Proportional to 711,323,405.76, 1,067,086,766.88 and 220,078,627.68

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Solution

The fourth proportional to 711,323,405.76, 1,067,086,766.88 and 220,078,627.68 is: 330,149,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,323,405.76 : 1,067,086,766.88 = 220,078,627.68 : x
  2. Step 2: Convert to fraction form
    711,323,405.76/1,067,086,766.88 = 220,078,627.68/x
  3. Step 3: Cross multiply
    711,323,405.76x = 1,067,086,766.88 × 220,078,627.68
  4. Step 4: Simplify right side
    711,323,405.76x = 234,842,991,270,438,496
  5. Step 5: Solve for x
    x = 234,842,991,270,438,496/711,323,405.76
  6. Step 6: Final answer
    x = 330,149,393.89

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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.