Home / 18,638,734,710.87-27,958,206,582.77-6,217,031,181.51

Finding the Fourth Proportional to 18,638,734,710.87, 27,958,206,582.77 and 6,217,031,181.51

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Solution

The fourth proportional to 18,638,734,710.87, 27,958,206,582.77 and 6,217,031,181.51 is: 9,325,581,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,734,710.87 : 27,958,206,582.77 = 6,217,031,181.51 : x
  2. Step 2: Convert to fraction form
    18,638,734,710.87/27,958,206,582.77 = 6,217,031,181.51/x
  3. Step 3: Cross multiply
    18,638,734,710.87x = 27,958,206,582.77 × 6,217,031,181.51
  4. Step 4: Simplify right side
    18,638,734,710.87x = 173,817,042,104,148,164,608
  5. Step 5: Solve for x
    x = 173,817,042,104,148,164,608/18,638,734,710.87
  6. Step 6: Final answer
    x = 9,325,581,634.19

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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.