Home / 3,464,207,998.40-5,196,311,997.60-3,219,319,985.60

Finding the Fourth Proportional to 3,464,207,998.40, 5,196,311,997.60 and 3,219,319,985.60

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Solution

The fourth proportional to 3,464,207,998.40, 5,196,311,997.60 and 3,219,319,985.60 is: 4,828,979,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464,207,998.40 : 5,196,311,997.60 = 3,219,319,985.60 : x
  2. Step 2: Convert to fraction form
    3,464,207,998.40/5,196,311,997.60 = 3,219,319,985.60/x
  3. Step 3: Cross multiply
    3,464,207,998.40x = 5,196,311,997.60 × 3,219,319,985.60
  4. Step 4: Simplify right side
    3,464,207,998.40x = 16,728,591,065,286,739,968
  5. Step 5: Solve for x
    x = 16,728,591,065,286,739,968/3,464,207,998.40
  6. Step 6: Final answer
    x = 4,828,979,978.40

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Half scale
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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.