Home / 2,659,391,995.20-3,989,087,992.80-1,208,203,771.20

Finding the Fourth Proportional to 2,659,391,995.20, 3,989,087,992.80 and 1,208,203,771.20

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Solution

The fourth proportional to 2,659,391,995.20, 3,989,087,992.80 and 1,208,203,771.20 is: 1,812,305,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,391,995.20 : 3,989,087,992.80 = 1,208,203,771.20 : x
  2. Step 2: Convert to fraction form
    2,659,391,995.20/3,989,087,992.80 = 1,208,203,771.20/x
  3. Step 3: Cross multiply
    2,659,391,995.20x = 3,989,087,992.80 × 1,208,203,771.20
  4. Step 4: Simplify right side
    2,659,391,995.20x = 4,819,631,156,549,599,232
  5. Step 5: Solve for x
    x = 4,819,631,156,549,599,232/2,659,391,995.20
  6. Step 6: Final answer
    x = 1,812,305,656.80

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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.