Home / 1,579,578,003.55-2,369,367,005.33-1,120,412,979.55

Finding the Fourth Proportional to 1,579,578,003.55, 2,369,367,005.33 and 1,120,412,979.55

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Solution

The fourth proportional to 1,579,578,003.55, 2,369,367,005.33 and 1,120,412,979.55 is: 1,680,619,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,578,003.55 : 2,369,367,005.33 = 1,120,412,979.55 : x
  2. Step 2: Convert to fraction form
    1,579,578,003.55/2,369,367,005.33 = 1,120,412,979.55/x
  3. Step 3: Cross multiply
    1,579,578,003.55x = 2,369,367,005.33 × 1,120,412,979.55
  4. Step 4: Simplify right side
    1,579,578,003.55x = 2,654,669,546,089,245,696
  5. Step 5: Solve for x
    x = 2,654,669,546,089,245,696/1,579,578,003.55
  6. Step 6: Final answer
    x = 1,680,619,469.33

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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.