Home / 217,038,212.80-325,557,319.20-200,410,014.40

Finding the Fourth Proportional to 217,038,212.80, 325,557,319.20 and 200,410,014.40

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Solution

The fourth proportional to 217,038,212.80, 325,557,319.20 and 200,410,014.40 is: 300,615,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,212.80 : 325,557,319.20 = 200,410,014.40 : x
  2. Step 2: Convert to fraction form
    217,038,212.80/325,557,319.20 = 200,410,014.40/x
  3. Step 3: Cross multiply
    217,038,212.80x = 325,557,319.20 × 200,410,014.40
  4. Step 4: Simplify right side
    217,038,212.80x = 65,244,947,028,897,400
  5. Step 5: Solve for x
    x = 65,244,947,028,897,400/217,038,212.80
  6. Step 6: Final answer
    x = 300,615,021.60

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1.5x scale

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.