Home / 6,551,227,318.40-9,826,840,977.60-5,388,009,257.60

Finding the Fourth Proportional to 6,551,227,318.40, 9,826,840,977.60 and 5,388,009,257.60

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Solution

The fourth proportional to 6,551,227,318.40, 9,826,840,977.60 and 5,388,009,257.60 is: 8,082,013,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,227,318.40 : 9,826,840,977.60 = 5,388,009,257.60 : x
  2. Step 2: Convert to fraction form
    6,551,227,318.40/9,826,840,977.60 = 5,388,009,257.60/x
  3. Step 3: Cross multiply
    6,551,227,318.40x = 9,826,840,977.60 × 5,388,009,257.60
  4. Step 4: Simplify right side
    6,551,227,318.40x = 52,947,110,160,271,843,328
  5. Step 5: Solve for x
    x = 52,947,110,160,271,843,328/6,551,227,318.40
  6. Step 6: Final answer
    x = 8,082,013,886.40

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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.