Home / 12,972,558,439.34-19,427,414,237.74-8,977,447,690.97

Finding the Fourth Proportional to 12,972,558,439.34, 19,427,414,237.74 and 8,977,447,690.97

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Solution

The fourth proportional to 12,972,558,439.34, 19,427,414,237.74 and 8,977,447,690.97 is: 13,444,425,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972,558,439.34 : 19,427,414,237.74 = 8,977,447,690.97 : x
  2. Step 2: Convert to fraction form
    12,972,558,439.34/19,427,414,237.74 = 8,977,447,690.97/x
  3. Step 3: Cross multiply
    12,972,558,439.34x = 19,427,414,237.74 × 8,977,447,690.97
  4. Step 4: Simplify right side
    12,972,558,439.34x = 174,408,595,090,104,745,984
  5. Step 5: Solve for x
    x = 174,408,595,090,104,745,984/12,972,558,439.34
  6. Step 6: Final answer
    x = 13,444,425,469.78

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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.