Home / 7,028,193,071.22-10,542,243,942.27-1,787,756,509.14

Finding the Fourth Proportional to 7,028,193,071.22, 10,542,243,942.27 and 1,787,756,509.14

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Solution

The fourth proportional to 7,028,193,071.22, 10,542,243,942.27 and 1,787,756,509.14 is: 2,681,623,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,193,071.22 : 10,542,243,942.27 = 1,787,756,509.14 : x
  2. Step 2: Convert to fraction form
    7,028,193,071.22/10,542,243,942.27 = 1,787,756,509.14/x
  3. Step 3: Cross multiply
    7,028,193,071.22x = 10,542,243,942.27 × 1,787,756,509.14
  4. Step 4: Simplify right side
    7,028,193,071.22x = 18,846,965,228,734,926,848
  5. Step 5: Solve for x
    x = 18,846,965,228,734,926,848/7,028,193,071.22
  6. Step 6: Final answer
    x = 2,681,623,148.05

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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.