Home / 1,172,204,126.14-1,617,687,185.50-643,590,392.26

Finding the Fourth Proportional to 1,172,204,126.14, 1,617,687,185.50 and 643,590,392.26

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Solution

The fourth proportional to 1,172,204,126.14, 1,617,687,185.50 and 643,590,392.26 is: 888,179,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,204,126.14 : 1,617,687,185.50 = 643,590,392.26 : x
  2. Step 2: Convert to fraction form
    1,172,204,126.14/1,617,687,185.50 = 643,590,392.26/x
  3. Step 3: Cross multiply
    1,172,204,126.14x = 1,617,687,185.50 × 643,590,392.26
  4. Step 4: Simplify right side
    1,172,204,126.14x = 1,041,127,930,269,920,384
  5. Step 5: Solve for x
    x = 1,041,127,930,269,920,384/1,172,204,126.14
  6. Step 6: Final answer
    x = 888,179,718.07

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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.