Home / 5,432,508,715.30-8,148,763,072.95-1,555,115,179.30

Finding the Fourth Proportional to 5,432,508,715.30, 8,148,763,072.95 and 1,555,115,179.30

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Solution

The fourth proportional to 5,432,508,715.30, 8,148,763,072.95 and 1,555,115,179.30 is: 2,332,672,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,508,715.30 : 8,148,763,072.95 = 1,555,115,179.30 : x
  2. Step 2: Convert to fraction form
    5,432,508,715.30/8,148,763,072.95 = 1,555,115,179.30/x
  3. Step 3: Cross multiply
    5,432,508,715.30x = 8,148,763,072.95 × 1,555,115,179.30
  4. Step 4: Simplify right side
    5,432,508,715.30x = 12,672,265,147,263,856,640
  5. Step 5: Solve for x
    x = 12,672,265,147,263,856,640/5,432,508,715.30
  6. Step 6: Final answer
    x = 2,332,672,768.95

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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.