Home / 804,028,383.80-1,206,042,575.70-258,769,917.80

Finding the Fourth Proportional to 804,028,383.80, 1,206,042,575.70 and 258,769,917.80

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Solution

The fourth proportional to 804,028,383.80, 1,206,042,575.70 and 258,769,917.80 is: 388,154,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,028,383.80 : 1,206,042,575.70 = 258,769,917.80 : x
  2. Step 2: Convert to fraction form
    804,028,383.80/1,206,042,575.70 = 258,769,917.80/x
  3. Step 3: Cross multiply
    804,028,383.80x = 1,206,042,575.70 × 258,769,917.80
  4. Step 4: Simplify right side
    804,028,383.80x = 312,087,538,177,189,312
  5. Step 5: Solve for x
    x = 312,087,538,177,189,312/804,028,383.80
  6. Step 6: Final answer
    x = 388,154,876.70

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Double scale
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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.