Home / 1,941,690,698.20-2,912,621,064.90-561,644,709.40

Finding the Fourth Proportional to 1,941,690,698.20, 2,912,621,064.90 and 561,644,709.40

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Solution

The fourth proportional to 1,941,690,698.20, 2,912,621,064.90 and 561,644,709.40 is: 842,491,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,690,698.20 : 2,912,621,064.90 = 561,644,709.40 : x
  2. Step 2: Convert to fraction form
    1,941,690,698.20/2,912,621,064.90 = 561,644,709.40/x
  3. Step 3: Cross multiply
    1,941,690,698.20x = 2,912,621,064.90 × 561,644,709.40
  4. Step 4: Simplify right side
    1,941,690,698.20x = 1,635,858,211,588,079,104
  5. Step 5: Solve for x
    x = 1,635,858,211,588,079,104/1,941,690,698.20
  6. Step 6: Final answer
    x = 842,491,655.91

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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.