Home / 2,659,392,151.20-3,989,088,226.80-1,208,203,927.20

Finding the Fourth Proportional to 2,659,392,151.20, 3,989,088,226.80 and 1,208,203,927.20

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Solution

The fourth proportional to 2,659,392,151.20, 3,989,088,226.80 and 1,208,203,927.20 is: 1,812,305,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,392,151.20 : 3,989,088,226.80 = 1,208,203,927.20 : x
  2. Step 2: Convert to fraction form
    2,659,392,151.20/3,989,088,226.80 = 1,208,203,927.20/x
  3. Step 3: Cross multiply
    2,659,392,151.20x = 3,989,088,226.80 × 1,208,203,927.20
  4. Step 4: Simplify right side
    2,659,392,151.20x = 4,819,632,061,567,044,608
  5. Step 5: Solve for x
    x = 4,819,632,061,567,044,608/2,659,392,151.20
  6. Step 6: Final answer
    x = 1,812,305,890.80

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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.