Home / 5,318,789,515.20-7,978,184,272.80-3,577,363,646.40

Finding the Fourth Proportional to 5,318,789,515.20, 7,978,184,272.80 and 3,577,363,646.40

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Solution

The fourth proportional to 5,318,789,515.20, 7,978,184,272.80 and 3,577,363,646.40 is: 5,366,045,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,789,515.20 : 7,978,184,272.80 = 3,577,363,646.40 : x
  2. Step 2: Convert to fraction form
    5,318,789,515.20/7,978,184,272.80 = 3,577,363,646.40/x
  3. Step 3: Cross multiply
    5,318,789,515.20x = 7,978,184,272.80 × 3,577,363,646.40
  4. Step 4: Simplify right side
    5,318,789,515.20x = 28,540,866,381,794,942,976
  5. Step 5: Solve for x
    x = 28,540,866,381,794,942,976/5,318,789,515.20
  6. Step 6: Final answer
    x = 5,366,045,469.60

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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.