Home / 1,800,382,108.48-2,700,557,992.08-1,407,239,623.20

Finding the Fourth Proportional to 1,800,382,108.48, 2,700,557,992.08 and 1,407,239,623.20

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Solution

The fourth proportional to 1,800,382,108.48, 2,700,557,992.08 and 1,407,239,623.20 is: 2,110,847,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,382,108.48 : 2,700,557,992.08 = 1,407,239,623.20 : x
  2. Step 2: Convert to fraction form
    1,800,382,108.48/2,700,557,992.08 = 1,407,239,623.20/x
  3. Step 3: Cross multiply
    1,800,382,108.48x = 2,700,557,992.08 × 1,407,239,623.20
  4. Step 4: Simplify right side
    1,800,382,108.48x = 3,800,332,211,204,407,808
  5. Step 5: Solve for x
    x = 3,800,332,211,204,407,808/1,800,382,108.48
  6. Step 6: Final answer
    x = 2,110,847,576.91

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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.