Home / 1,210,067,723.20-1,815,101,584.80-348,511,806.40

Finding the Fourth Proportional to 1,210,067,723.20, 1,815,101,584.80 and 348,511,806.40

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Solution

The fourth proportional to 1,210,067,723.20, 1,815,101,584.80 and 348,511,806.40 is: 522,767,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,067,723.20 : 1,815,101,584.80 = 348,511,806.40 : x
  2. Step 2: Convert to fraction form
    1,210,067,723.20/1,815,101,584.80 = 348,511,806.40/x
  3. Step 3: Cross multiply
    1,210,067,723.20x = 1,815,101,584.80 × 348,511,806.40
  4. Step 4: Simplify right side
    1,210,067,723.20x = 632,584,332,118,150,784
  5. Step 5: Solve for x
    x = 632,584,332,118,150,784/1,210,067,723.20
  6. Step 6: Final answer
    x = 522,767,709.60

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Double scale
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Similar ratio
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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.