Home / 7,028,193,069.72-10,542,243,940.02-1,787,756,507.64

Finding the Fourth Proportional to 7,028,193,069.72, 10,542,243,940.02 and 1,787,756,507.64

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Solution

The fourth proportional to 7,028,193,069.72, 10,542,243,940.02 and 1,787,756,507.64 is: 2,681,623,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,193,069.72 : 10,542,243,940.02 = 1,787,756,507.64 : x
  2. Step 2: Convert to fraction form
    7,028,193,069.72/10,542,243,940.02 = 1,787,756,507.64/x
  3. Step 3: Cross multiply
    7,028,193,069.72x = 10,542,243,940.02 × 1,787,756,507.64
  4. Step 4: Simplify right side
    7,028,193,069.72x = 18,846,965,208,899,108,864
  5. Step 5: Solve for x
    x = 18,846,965,208,899,108,864/7,028,193,069.72
  6. Step 6: Final answer
    x = 2,681,623,145.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.