Home / 9,047,880,576.38-12,486,188,157.84-4,979,250,380.42

Finding the Fourth Proportional to 9,047,880,576.38, 12,486,188,157.84 and 4,979,250,380.42

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Solution

The fourth proportional to 9,047,880,576.38, 12,486,188,157.84 and 4,979,250,380.42 is: 6,871,427,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047,880,576.38 : 12,486,188,157.84 = 4,979,250,380.42 : x
  2. Step 2: Convert to fraction form
    9,047,880,576.38/12,486,188,157.84 = 4,979,250,380.42/x
  3. Step 3: Cross multiply
    9,047,880,576.38x = 12,486,188,157.84 × 4,979,250,380.42
  4. Step 4: Simplify right side
    9,047,880,576.38x = 62,171,857,134,903,042,048
  5. Step 5: Solve for x
    x = 62,171,857,134,903,042,048/9,047,880,576.38
  6. Step 6: Final answer
    x = 6,871,427,690.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.