Home / 489,433,428.75-734,150,151.43-166,317,300.75

Finding the Fourth Proportional to 489,433,428.75, 734,150,151.43 and 166,317,300.75

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Solution

The fourth proportional to 489,433,428.75, 734,150,151.43 and 166,317,300.75 is: 249,475,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,433,428.75 : 734,150,151.43 = 166,317,300.75 : x
  2. Step 2: Convert to fraction form
    489,433,428.75/734,150,151.43 = 166,317,300.75/x
  3. Step 3: Cross multiply
    489,433,428.75x = 734,150,151.43 × 166,317,300.75
  4. Step 4: Simplify right side
    489,433,428.75x = 122,101,871,530,625,568
  5. Step 5: Solve for x
    x = 122,101,871,530,625,568/489,433,428.75
  6. Step 6: Final answer
    x = 249,475,953.95

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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.