Home / 1,026,439,327.40-1,536,635,682.30-966,644,997.80

Finding the Fourth Proportional to 1,026,439,327.40, 1,536,635,682.30 and 966,644,997.80

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Solution

The fourth proportional to 1,026,439,327.40, 1,536,635,682.30 and 966,644,997.80 is: 1,447,120,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,439,327.40 : 1,536,635,682.30 = 966,644,997.80 : x
  2. Step 2: Convert to fraction form
    1,026,439,327.40/1,536,635,682.30 = 966,644,997.80/x
  3. Step 3: Cross multiply
    1,026,439,327.40x = 1,536,635,682.30 × 966,644,997.80
  4. Step 4: Simplify right side
    1,026,439,327.40x = 1,485,381,195,736,284,928
  5. Step 5: Solve for x
    x = 1,485,381,195,736,284,928/1,026,439,327.40
  6. Step 6: Final answer
    x = 1,447,120,308.12

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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.