Home / 814,169,847.36-1,123,553,539-442,890,993

Finding the Fourth Proportional to 814,169,847.36, 1,123,553,539 and 442,890,993

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Solution

The fourth proportional to 814,169,847.36, 1,123,553,539 and 442,890,993 is: 611,189,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,169,847.36 : 1,123,553,539 = 442,890,993 : x
  2. Step 2: Convert to fraction form
    814,169,847.36/1,123,553,539 = 442,890,993/x
  3. Step 3: Cross multiply
    814,169,847.36x = 1,123,553,539 × 442,890,993
  4. Step 4: Simplify right side
    814,169,847.36x = 497,611,742,576,374,208
  5. Step 5: Solve for x
    x = 497,611,742,576,374,208/814,169,847.36
  6. Step 6: Final answer
    x = 611,189,107.76

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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.