Home / 1,508,238,864.72-2,081,337,010.56-873,186,137.28

Finding the Fourth Proportional to 1,508,238,864.72, 2,081,337,010.56 and 873,186,137.28

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Solution

The fourth proportional to 1,508,238,864.72, 2,081,337,010.56 and 873,186,137.28 is: 1,204,977,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,238,864.72 : 2,081,337,010.56 = 873,186,137.28 : x
  2. Step 2: Convert to fraction form
    1,508,238,864.72/2,081,337,010.56 = 873,186,137.28/x
  3. Step 3: Cross multiply
    1,508,238,864.72x = 2,081,337,010.56 × 873,186,137.28
  4. Step 4: Simplify right side
    1,508,238,864.72x = 1,817,394,624,628,788,736
  5. Step 5: Solve for x
    x = 1,817,394,624,628,788,736/1,508,238,864.72
  6. Step 6: Final answer
    x = 1,204,977,982.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.