Home / 217,150,559.20-325,725,838.80-193,342,002.40

Finding the Fourth Proportional to 217,150,559.20, 325,725,838.80 and 193,342,002.40

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Solution

The fourth proportional to 217,150,559.20, 325,725,838.80 and 193,342,002.40 is: 290,013,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,150,559.20 : 325,725,838.80 = 193,342,002.40 : x
  2. Step 2: Convert to fraction form
    217,150,559.20/325,725,838.80 = 193,342,002.40/x
  3. Step 3: Cross multiply
    217,150,559.20x = 325,725,838.80 × 193,342,002.40
  4. Step 4: Simplify right side
    217,150,559.20x = 62,976,485,907,011,616
  5. Step 5: Solve for x
    x = 62,976,485,907,011,616/217,150,559.20
  6. Step 6: Final answer
    x = 290,013,003.60

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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.