Home / 1,941,690,710.70-2,912,621,083.65-561,644,721.90

Finding the Fourth Proportional to 1,941,690,710.70, 2,912,621,083.65 and 561,644,721.90

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Solution

The fourth proportional to 1,941,690,710.70, 2,912,621,083.65 and 561,644,721.90 is: 842,491,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,690,710.70 : 2,912,621,083.65 = 561,644,721.90 : x
  2. Step 2: Convert to fraction form
    1,941,690,710.70/2,912,621,083.65 = 561,644,721.90/x
  3. Step 3: Cross multiply
    1,941,690,710.70x = 2,912,621,083.65 × 561,644,721.90
  4. Step 4: Simplify right side
    1,941,690,710.70x = 1,635,858,258,526,680,832
  5. Step 5: Solve for x
    x = 1,635,858,258,526,680,832/1,941,690,710.70
  6. Step 6: Final answer
    x = 842,491,674.66

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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.