Home / 489,209,173.76-733,813,759.43-178,340,103.65

Finding the Fourth Proportional to 489,209,173.76, 733,813,759.43 and 178,340,103.65

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Solution

The fourth proportional to 489,209,173.76, 733,813,759.43 and 178,340,103.65 is: 267,510,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,209,173.76 : 733,813,759.43 = 178,340,103.65 : x
  2. Step 2: Convert to fraction form
    489,209,173.76/733,813,759.43 = 178,340,103.65/x
  3. Step 3: Cross multiply
    489,209,173.76x = 733,813,759.43 × 178,340,103.65
  4. Step 4: Simplify right side
    489,209,173.76x = 130,868,421,911,981,600
  5. Step 5: Solve for x
    x = 130,868,421,911,981,600/489,209,173.76
  6. Step 6: Final answer
    x = 267,510,155.03

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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.