Home / 1,941,690,711.70-2,912,621,085.15-561,644,722.90

Finding the Fourth Proportional to 1,941,690,711.70, 2,912,621,085.15 and 561,644,722.90

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Solution

The fourth proportional to 1,941,690,711.70, 2,912,621,085.15 and 561,644,722.90 is: 842,491,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,690,711.70 : 2,912,621,085.15 = 561,644,722.90 : x
  2. Step 2: Convert to fraction form
    1,941,690,711.70/2,912,621,085.15 = 561,644,722.90/x
  3. Step 3: Cross multiply
    1,941,690,711.70x = 2,912,621,085.15 × 561,644,722.90
  4. Step 4: Simplify right side
    1,941,690,711.70x = 1,635,858,262,281,768,960
  5. Step 5: Solve for x
    x = 1,635,858,262,281,768,960/1,941,690,711.70
  6. Step 6: Final answer
    x = 842,491,676.16

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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.