Home / 1,455,052,991.67-2,182,547,974.19-405,763,198.04

Finding the Fourth Proportional to 1,455,052,991.67, 2,182,547,974.19 and 405,763,198.04

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Solution

The fourth proportional to 1,455,052,991.67, 2,182,547,974.19 and 405,763,198.04 is: 608,636,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,052,991.67 : 2,182,547,974.19 = 405,763,198.04 : x
  2. Step 2: Convert to fraction form
    1,455,052,991.67/2,182,547,974.19 = 405,763,198.04/x
  3. Step 3: Cross multiply
    1,455,052,991.67x = 2,182,547,974.19 × 405,763,198.04
  4. Step 4: Simplify right side
    1,455,052,991.67x = 885,597,645,870,116,224
  5. Step 5: Solve for x
    x = 885,597,645,870,116,224/1,455,052,991.67
  6. Step 6: Final answer
    x = 608,636,009.09

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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.