Home / 1,788,241,971.78-2,682,363,648.87-804,519,703.62

Finding the Fourth Proportional to 1,788,241,971.78, 2,682,363,648.87 and 804,519,703.62

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Solution

The fourth proportional to 1,788,241,971.78, 2,682,363,648.87 and 804,519,703.62 is: 1,206,779,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,241,971.78 : 2,682,363,648.87 = 804,519,703.62 : x
  2. Step 2: Convert to fraction form
    1,788,241,971.78/2,682,363,648.87 = 804,519,703.62/x
  3. Step 3: Cross multiply
    1,788,241,971.78x = 2,682,363,648.87 × 804,519,703.62
  4. Step 4: Simplify right side
    1,788,241,971.78x = 2,158,014,407,789,954,048
  5. Step 5: Solve for x
    x = 2,158,014,407,789,954,048/1,788,241,971.78
  6. Step 6: Final answer
    x = 1,206,779,866.40

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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.