Home / 5,380,565,563.20-8,070,848,344.80-3,911,237,486.40

Finding the Fourth Proportional to 5,380,565,563.20, 8,070,848,344.80 and 3,911,237,486.40

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Solution

The fourth proportional to 5,380,565,563.20, 8,070,848,344.80 and 3,911,237,486.40 is: 5,866,856,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,565,563.20 : 8,070,848,344.80 = 3,911,237,486.40 : x
  2. Step 2: Convert to fraction form
    5,380,565,563.20/8,070,848,344.80 = 3,911,237,486.40/x
  3. Step 3: Cross multiply
    5,380,565,563.20x = 8,070,848,344.80 × 3,911,237,486.40
  4. Step 4: Simplify right side
    5,380,565,563.20x = 31,567,004,593,231,155,200
  5. Step 5: Solve for x
    x = 31,567,004,593,231,155,200/5,380,565,563.20
  6. Step 6: Final answer
    x = 5,866,856,229.60

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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.