Home / 451,036,806.20-676,555,209.30-221,454,294.20

Finding the Fourth Proportional to 451,036,806.20, 676,555,209.30 and 221,454,294.20

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Solution

The fourth proportional to 451,036,806.20, 676,555,209.30 and 221,454,294.20 is: 332,181,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,806.20 : 676,555,209.30 = 221,454,294.20 : x
  2. Step 2: Convert to fraction form
    451,036,806.20/676,555,209.30 = 221,454,294.20/x
  3. Step 3: Cross multiply
    451,036,806.20x = 676,555,209.30 × 221,454,294.20
  4. Step 4: Simplify right side
    451,036,806.20x = 149,826,056,362,864,768
  5. Step 5: Solve for x
    x = 149,826,056,362,864,768/451,036,806.20
  6. Step 6: Final answer
    x = 332,181,441.30

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Double scale
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Similar ratio
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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.