Home / 408,130,164.20-612,195,246.30-223,826,425.40

Finding the Fourth Proportional to 408,130,164.20, 612,195,246.30 and 223,826,425.40

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Solution

The fourth proportional to 408,130,164.20, 612,195,246.30 and 223,826,425.40 is: 335,739,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,130,164.20 : 612,195,246.30 = 223,826,425.40 : x
  2. Step 2: Convert to fraction form
    408,130,164.20/612,195,246.30 = 223,826,425.40/x
  3. Step 3: Cross multiply
    408,130,164.20x = 612,195,246.30 × 223,826,425.40
  4. Step 4: Simplify right side
    408,130,164.20x = 137,025,473,626,201,568
  5. Step 5: Solve for x
    x = 137,025,473,626,201,568/408,130,164.20
  6. Step 6: Final answer
    x = 335,739,638.10

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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.