Home / 653,119,261,658.82-979,681,991,099.90-199,837,442,760.97

Finding the Fourth Proportional to 653,119,261,658.82, 979,681,991,099.90 and 199,837,442,760.97

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Solution

The fourth proportional to 653,119,261,658.82, 979,681,991,099.90 and 199,837,442,760.97 is: 299,757,112,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,119,261,658.82 : 979,681,991,099.90 = 199,837,442,760.97 : x
  2. Step 2: Convert to fraction form
    653,119,261,658.82/979,681,991,099.90 = 199,837,442,760.97/x
  3. Step 3: Cross multiply
    653,119,261,658.82x = 979,681,991,099.90 × 199,837,442,760.97
  4. Step 4: Simplify right side
    653,119,261,658.82x = 195,777,143,820,379,400,175,616
  5. Step 5: Solve for x
    x = 195,777,143,820,379,400,175,616/653,119,261,658.82
  6. Step 6: Final answer
    x = 299,757,112,235.73

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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.