Home / 749,185,991.10-1,123,778,986.65-231,668,745.30

Finding the Fourth Proportional to 749,185,991.10, 1,123,778,986.65 and 231,668,745.30

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Solution

The fourth proportional to 749,185,991.10, 1,123,778,986.65 and 231,668,745.30 is: 347,503,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,185,991.10 : 1,123,778,986.65 = 231,668,745.30 : x
  2. Step 2: Convert to fraction form
    749,185,991.10/1,123,778,986.65 = 231,668,745.30/x
  3. Step 3: Cross multiply
    749,185,991.10x = 1,123,778,986.65 × 231,668,745.30
  4. Step 4: Simplify right side
    749,185,991.10x = 260,344,467,831,710,976
  5. Step 5: Solve for x
    x = 260,344,467,831,710,976/749,185,991.10
  6. Step 6: Final answer
    x = 347,503,117.95

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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.