Home / 381,692,874,620.20-572,539,311,930.30-130,437,773,487.40

Finding the Fourth Proportional to 381,692,874,620.20, 572,539,311,930.30 and 130,437,773,487.40

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Solution

The fourth proportional to 381,692,874,620.20, 572,539,311,930.30 and 130,437,773,487.40 is: 195,656,660,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,692,874,620.20 : 572,539,311,930.30 = 130,437,773,487.40 : x
  2. Step 2: Convert to fraction form
    381,692,874,620.20/572,539,311,930.30 = 130,437,773,487.40/x
  3. Step 3: Cross multiply
    381,692,874,620.20x = 572,539,311,930.30 × 130,437,773,487.40
  4. Step 4: Simplify right side
    381,692,874,620.20x = 74,680,753,082,196,325,040,128
  5. Step 5: Solve for x
    x = 74,680,753,082,196,325,040,128/381,692,874,620.20
  6. Step 6: Final answer
    x = 195,656,660,231.10

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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.