Home / 5,458,899,809.10-8,188,349,713.65-2,189,695,226.70

Finding the Fourth Proportional to 5,458,899,809.10, 8,188,349,713.65 and 2,189,695,226.70

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Solution

The fourth proportional to 5,458,899,809.10, 8,188,349,713.65 and 2,189,695,226.70 is: 3,284,542,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,899,809.10 : 8,188,349,713.65 = 2,189,695,226.70 : x
  2. Step 2: Convert to fraction form
    5,458,899,809.10/8,188,349,713.65 = 2,189,695,226.70/x
  3. Step 3: Cross multiply
    5,458,899,809.10x = 8,188,349,713.65 × 2,189,695,226.70
  4. Step 4: Simplify right side
    5,458,899,809.10x = 17,929,990,282,529,714,176
  5. Step 5: Solve for x
    x = 17,929,990,282,529,714,176/5,458,899,809.10
  6. Step 6: Final answer
    x = 3,284,542,840.05

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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.