Home / 527,623,626.88-791,442,175.82-139,443,103.44

Finding the Fourth Proportional to 527,623,626.88, 791,442,175.82 and 139,443,103.44

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Solution

The fourth proportional to 527,623,626.88, 791,442,175.82 and 139,443,103.44 is: 209,166,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,623,626.88 : 791,442,175.82 = 139,443,103.44 : x
  2. Step 2: Convert to fraction form
    527,623,626.88/791,442,175.82 = 139,443,103.44/x
  3. Step 3: Cross multiply
    527,623,626.88x = 791,442,175.82 × 139,443,103.44
  4. Step 4: Simplify right side
    527,623,626.88x = 110,361,153,189,646,928
  5. Step 5: Solve for x
    x = 110,361,153,189,646,928/527,623,626.88
  6. Step 6: Final answer
    x = 209,166,435.25

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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.