Home / 324,681,344.40-487,022,016.60-247,197,246.60

Finding the Fourth Proportional to 324,681,344.40, 487,022,016.60 and 247,197,246.60

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Solution

The fourth proportional to 324,681,344.40, 487,022,016.60 and 247,197,246.60 is: 370,795,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,681,344.40 : 487,022,016.60 = 247,197,246.60 : x
  2. Step 2: Convert to fraction form
    324,681,344.40/487,022,016.60 = 247,197,246.60/x
  3. Step 3: Cross multiply
    324,681,344.40x = 487,022,016.60 × 247,197,246.60
  4. Step 4: Simplify right side
    324,681,344.40x = 120,390,501,537,099,504
  5. Step 5: Solve for x
    x = 120,390,501,537,099,504/324,681,344.40
  6. Step 6: Final answer
    x = 370,795,869.90

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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.