Home / 2,558,419,643.60-3,840,499,246.80-1,978,723,800.80

Finding the Fourth Proportional to 2,558,419,643.60, 3,840,499,246.80 and 1,978,723,800.80

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Solution

The fourth proportional to 2,558,419,643.60, 3,840,499,246.80 and 1,978,723,800.80 is: 2,970,305,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,419,643.60 : 3,840,499,246.80 = 1,978,723,800.80 : x
  2. Step 2: Convert to fraction form
    2,558,419,643.60/3,840,499,246.80 = 1,978,723,800.80/x
  3. Step 3: Cross multiply
    2,558,419,643.60x = 3,840,499,246.80 × 1,978,723,800.80
  4. Step 4: Simplify right side
    2,558,419,643.60x = 7,599,287,266,597,633,024
  5. Step 5: Solve for x
    x = 7,599,287,266,597,633,024/2,558,419,643.60
  6. Step 6: Final answer
    x = 2,970,305,237.30

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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.