Home / 220,168,375.20-330,252,562.80-196,359,818.40

Finding the Fourth Proportional to 220,168,375.20, 330,252,562.80 and 196,359,818.40

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Solution

The fourth proportional to 220,168,375.20, 330,252,562.80 and 196,359,818.40 is: 294,539,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,168,375.20 : 330,252,562.80 = 196,359,818.40 : x
  2. Step 2: Convert to fraction form
    220,168,375.20/330,252,562.80 = 196,359,818.40/x
  3. Step 3: Cross multiply
    220,168,375.20x = 330,252,562.80 × 196,359,818.40
  4. Step 4: Simplify right side
    220,168,375.20x = 64,848,333,257,542,600
  5. Step 5: Solve for x
    x = 64,848,333,257,542,600/220,168,375.20
  6. Step 6: Final answer
    x = 294,539,727.60

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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.