Home / 1,180,982,512.31-1,629,805,379.34-679,191,687.80

Finding the Fourth Proportional to 1,180,982,512.31, 1,629,805,379.34 and 679,191,687.80

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Solution

The fourth proportional to 1,180,982,512.31, 1,629,805,379.34 and 679,191,687.80 is: 937,313,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,982,512.31 : 1,629,805,379.34 = 679,191,687.80 : x
  2. Step 2: Convert to fraction form
    1,180,982,512.31/1,629,805,379.34 = 679,191,687.80/x
  3. Step 3: Cross multiply
    1,180,982,512.31x = 1,629,805,379.34 × 679,191,687.80
  4. Step 4: Simplify right side
    1,180,982,512.31x = 1,106,950,266,371,304,704
  5. Step 5: Solve for x
    x = 1,106,950,266,371,304,704/1,180,982,512.31
  6. Step 6: Final answer
    x = 937,313,004.08

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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.